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Imaging Sunlight Using a Digital Spectroheliograph

by Ken M. Harrison ...

Series series Physics and Astronomy (R0)
Ken M. Harrison's latest book is a complete guide for amateur astronomers who want to obtain detailed narrowband images of the Sun using a digital spectroheliograph (SHG). The SHG allows the safe imaging of the Sun without the expense of commercial ‘etalon’ solar filters. As the supporting software continues to be refined, the use of the digital spectroheliograph will become more and more ... Read more

$40.49 USD

Ken M. Harrison's latest book is a complete guide for amateur astronomers who want to obtain detailed narrowband images of the Sun using a digital spectroheliograph (SHG). The SHG allows the safe imaging of the Sun without the expense of commercial ‘etalon’ solar filters. As the supporting software continues to be refined, the use of the digital spectroheliograph will become more and more
... Read more
Astronomical Spectroscopy for Amateurs

by Ken M. Harrison ...

Series series Physics and Astronomy (R0)
Astronomical Spectroscopy for Amateurs is a complete guide for amateur astronomers who are looking for a new challenge. After a brief overview of the development of spectroscopes and an introduction to the theory of stellar spectra, the book goes on to examine the various types of spectroscopes available to amateurs. Next, practical sections address all aspects of setting-up and using various ... Read more

$44.99 USD

Astronomical Spectroscopy for Amateurs is a complete guide for amateur astronomers who are looking for a new challenge. After a brief overview of the development of spectroscopes and an introduction to the theory of stellar spectra, the book goes on to examine the various types of spectroscopes available to amateurs. Next, practical sections address all aspects of setting-up and using various
... Read more
Grating Spectroscopes and How to Use Them

by Ken M. Harrison ...

Series series Physics and Astronomy (R0)
Grating Spectroscopes and How to Use Them is written for amateur astronomers who are just getting into this field of astronomy. Transmission grating spectroscopes look like simple filters and are designed to screw into place on the eyepiece of a telescope for visual use, or into the camera adapter for digicam or CCD imaging. Using the most popular commercially made filter gratings – Rainbow Optics ... Read more

$53.99 USD

Grating Spectroscopes and How to Use Them is written for amateur astronomers who are just getting into this field of astronomy. Transmission grating spectroscopes look like simple filters and are designed to screw into place on the eyepiece of a telescope for visual use, or into the camera adapter for digicam or CCD imaging. Using the most popular commercially made filter gratings – Rainbow Optics
... Read more
Oxford Practice Grammar Basic with answers

by Norman Coe, Mark Harrison, Ken Paterson ...

Series series Oxford Practice Grammar
Refreshed with a new design, Oxford Practice Grammar is a three-level English grammar practice series for the classroom or self-study. Its tried and trusted methodology provides clear explanations and lots of extra practice. Oxford Practice Grammar knows that students need different types of explanation and practice at each stage of their study. Basic provides lots of practice and short ... Read more

$38.09 USD

Refreshed with a new design, Oxford Practice Grammar is a three-level English grammar practice series for the classroom or self-study. Its tried and trusted methodology provides clear explanations and lots of extra practice. Oxford Practice Grammar knows that students need different types of explanation and practice at each stage of their study. Basic provides lots of practice and short
... Read more
Improve Your Grammar

The Essential Guide to Accurate Writing

by Vanessa Jakeman, Ken Paterson, Mark Harrison ...

Series series Bloomsbury Study Skills
Packed with clear guidance on the nuts and bolts of grammar and plenty of examples, this text will help students master the fundamentals of English grammar and tackle written assignments with confidence.60+ bite-sized units help students overcome common areas of difficulty, such as forming different tenses, using connectives to link ideas and build an argument, punctuating sentences and choosing ... Read more

$22.19 USD

Packed with clear guidance on the nuts and bolts of grammar and plenty of examples, this text will help students master the fundamentals of English grammar and tackle written assignments with confidence.60+ bite-sized units help students overcome common areas of difficulty, such as forming different tenses, using connectives to link ideas and build an argument, punctuating sentences and choosing
... Read more
Rise of the Servant Kings

What the Bible Says About Being a Man

by Ken Harrison ...

The blueprint for becoming the man you were made to be—in marriage, family, work, friendships, with God in all of life.“If you want a no-nonsense guide to getting manhood right, this is it.”—Evander Holyfield, four-time world heavyweight championGuys often approach life like it’s a pickup football game. They make up the rules as they go. They are sloppy rather than disciplined. Many lose interest ... Read more

$4.99 USD

Also available as: Audiobook

The blueprint for becoming the man you were made to be—in marriage, family, work, friendships, with God in all of life.“If you want a no-nonsense guide to getting manhood right, this is it.”—Evander Holyfield, four-time world heavyweight championGuys often approach life like it’s a pickup football game. They make up the rules as they go. They are sloppy rather than disciplined. Many lose interest
... Read more

Also available as: Audiobook
A Daring Faith in a Cowardly World

Live a Life Without Waste, Regret, or Anything Unfinished

by Ken Harrison ...

Are you ready to stop wasting time and start turning your mundane life into one of adventure and blessing? Ken Harrison, Chairman and CEO of Promise Keepers, masterfully weaves together powerful stories and deep truths from Scripture to point you to the life for which God has called you.Ask Christians what they expect to happen to them after they die, and most will say they will go to heaven. And ... Read more

$10.99 USD

Also available as: Audiobook

Are you ready to stop wasting time and start turning your mundane life into one of adventure and blessing? Ken Harrison, Chairman and CEO of Promise Keepers, masterfully weaves together powerful stories and deep truths from Scripture to point you to the life for which God has called you.Ask Christians what they expect to happen to them after they die, and most will say they will go to heaven. And
... Read more

Also available as: Audiobook
Audiobook

A Daring Faith in a Cowardly World

Live a Life Without Waste, Regret, or Anything Unfinished

by Ken Harrison ...

Narrated by Ken Harrison, Gabe Wicks ...

Unabridged

3 hours 33 min

Read by the author.Are you ready to stop wasting time and start turning your mundane life into one of adventure and blessing? Ken Harrison, Chairman and CEO of Promise Keepers, masterfully weaves together powerful stories and deep truths from Scripture to point you to the life for which God has called you.Ask Christians what they expect to happen to them after they die, and most will say they will ... Read more

$18.99 USD

Also available as: eBook

Read by the author.Are you ready to stop wasting time and start turning your mundane life into one of adventure and blessing? Ken Harrison, Chairman and CEO of Promise Keepers, masterfully weaves together powerful stories and deep truths from Scripture to point you to the life for which God has called you.Ask Christians what they expect to happen to them after they die, and most will say they will
... Read more

Also available as: eBook
Audiobook

Rise of the Servant Kings

What the Bible Says About Being a Man

by Ken Harrison ...

Narrated by Ken Harrison, Rob Shapiro ...

Unabridged

4 hours 49 min

The blueprint for becoming the man you were made to be—in marriage, family, work, friendships, with God in all of life.“If you want a no-nonsense guide to getting manhood right, this is it.”—Evander Holyfield, four-time world heavyweight championGuys often approach life like it’s a pickup football game. They make up the rules as they go. They are sloppy rather than disciplined. Many lose interest ... Read more

$15.99 USD

Also available as: eBook

The blueprint for becoming the man you were made to be—in marriage, family, work, friendships, with God in all of life.“If you want a no-nonsense guide to getting manhood right, this is it.”—Evander Holyfield, four-time world heavyweight championGuys often approach life like it’s a pickup football game. They make up the rules as they go. They are sloppy rather than disciplined. Many lose interest
... Read more

Also available as: eBook
Audiobook

Super Courses

The Future of Teaching and Learning

by Ken Bain ...

Narrated by BJ Harrison ...

Unabridged

10 hours 43 min

Decades of research have produced profound insights into how student learning and motivation can be unleashed—and it's not through technology or even the best of lectures. In Super Courses, education expert and bestselling author Ken Bain tells the fascinating story of enterprising college, graduate school, and high school teachers who are using evidence-based approaches to spark deeper levels of ... Read more

$19.99 USD

Also available as: eBook

Decades of research have produced profound insights into how student learning and motivation can be unleashed—and it's not through technology or even the best of lectures. In Super Courses, education expert and bestselling author Ken Bain tells the fascinating story of enterprising college, graduate school, and high school teachers who are using evidence-based approaches to spark deeper levels of
... Read more

Also available as: eBook
Linear Park

by Ken Harrison ...

Series series States of Love
Sean and Nick's life together was a fairy tale: childhood friends who became lovers, high school sweethearts who married after college, both handsome professionals. Sean always enjoyed a few drinks, but after the death of his father, his alcoholism spiraled out of control… and it cost him everything.When Sean loses his job and becomes too surly and unreasonable to live with, Nick has little choice ... Read more

$3.99 USD or Free with Kobo Plus

Sean and Nick's life together was a fairy tale: childhood friends who became lovers, high school sweethearts who married after college, both handsome professionals. Sean always enjoyed a few drinks, but after the death of his father, his alcoholism spiraled out of control… and it cost him everything.When Sean loses his job and becomes too surly and unreasonable to live with, Nick has little choice
... Read more
Audiobook

2 A.M. in Little America

by Ken Kalfus ...

Narrated by BJ Harrison ...

Unabridged

6 hours 25 min

From "an important writer in every sense" (David Foster Wallace), a novel that imagines a future in which sweeping civil conflict has forced America's young people to flee its borders, into an unwelcoming world.One such American is Ron Patterson, who finds himself on distant shores, working as a repairman and sharing a room with other refugees. In an unnamed city wedged between ocean and lush ... Read more

$19.99 USD

From "an important writer in every sense" (David Foster Wallace), a novel that imagines a future in which sweeping civil conflict has forced America's young people to flee its borders, into an unwelcoming world.One such American is Ron Patterson, who finds himself on distant shores, working as a repairman and sharing a room with other refugees. In an unnamed city wedged between ocean and lush
... Read more

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Recommended For You

Top Series in United States

Physics and Astronomy (R0)

ParSec

Oxford Practice Grammar

States of Love

Bloomsbury Study Skills

Imaging Sunlight Using a Digital Spectroheliograph

Astronomical Spectroscopy for Amateurs

Grating Spectroscopes and How to Use Them

Oxford Practice Grammar Basic with answers

Improve Your Grammar

Rise of the Servant Kings

A Daring Faith in a Cowardly World

A Daring Faith in a Cowardly World

Rise of the Servant Kings

Super Courses

Linear Park

2 A.M. in Little America

eReaders

Apps

Accessories

Shopping Cart

You're getting the VIP treatment!

Your Shopping Cart is empty

Available:

1 audiobook monthly

+ FREE 30-day trial

Available:

1 audiobook monthly

+ FREE 30-day trial

Recommended For You

Top Series in United States

Physics and Astronomy (R0)

ParSec

Oxford Practice Grammar

States of Love

Bloomsbury Study Skills

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