KDP categories · Top KDP authors

Grant Collier: Amazon KDP author data

Grant Collier has 33 books on Amazon, 30 of them on a best-seller list in the last 30 days (best rank #1), mostly in General, Photography, Colorado.

33Books on Amazon
30Listed in 30 days
4.5Average rating
Median price$13.07
Price range (middle 50%)$11.96 – $14.95
Median reviews26
Total reviews2,077
New books (30 days)0
Breakout books (30 days)0

View on Amazon

What stands out

  • 91% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $13.07, 18% below the median of their main category, General.

Grant Collier's best-ranked books

  1. James Webb Space Telescope 2027 Astronomy Wall Calendar (12"x12") | Images from NASA's Pre book cover by Grant Collier

    James Webb Space Telescope 2027 Astronomy Wall Calendar (12"x12") | Images from NASA's Premier Space Telescope

    by Grant Collier

    • Price$12.75
    • Rating4.8
    • Reviews292
    • Published2026-07

    View on Amazon · Full data on KDPTop

  2. National Parks 2027 Wall Calendar (12”x12”) | Stunning nature photography of Arches, Hawai book cover by Grant Collier

    National Parks 2027 Wall Calendar (12”x12”) | Stunning nature photography of Arches, Hawai'i Volcanoes, Redwoods, Zion, Grand Tetons, and more.

    by Grant Collier

    • Price$13.46
    • Rating4.8
    • Reviews68

    View on Amazon · Full data on KDPTop

  3. Starry Nights 2027 Astronomy Wall Calendar (12"x12") | Featuring photography of the northe book cover by Grant Collier

    Starry Nights 2027 Astronomy Wall Calendar (12"x12") | Featuring photography of the northern lights, Milky Way, outer space, stars, and more.

    by Grant Collier

    • Price$12.95
    • Rating4.8
    • Reviews107
    • Published2026-06

    View on Amazon · Full data on KDPTop

  4. Collier's Guide to Night Photography in the Great Outdoors - 3rd Edition book cover by Grant Collier

    Collier's Guide to Night Photography in the Great Outdoors - 3rd Edition

    by Grant Collier

    • Price$19.95
    • Rating4.6
    • Reviews53

    View on Amazon · Full data on KDPTop

  5. Colorado 2027 Wall Calendar by Grant Collier (12"x12"), Locally Published in Evergreen, Co book cover by Grant Collier

    Colorado 2027 Wall Calendar by Grant Collier (12"x12"), Locally Published in Evergreen, Colorado.

    by Grant Collier

    • Price$13.95
    • Reviews-

    View on Amazon · Full data on KDPTop

  6. Colorado's National Parks & Monuments - 2nd Edition (Coffe Table Book) | 13"x10" hardcover book cover by Grant Collier

    Colorado's National Parks & Monuments - 2nd Edition (Coffe Table Book) | 13"x10" hardcover book with nature photography of Mesa Verde, Rocky Mountain N.P., Great Sand Dunes, Black Canyon, and more.

    by Grant Collier

    • Price$29.95
    • Rating4.7
    • Reviews66

    View on Amazon · Full data on KDPTop

  7. Colorado | A large coffee table book by a local photogrpaher featuring nature photos of wi book cover by Grant Collier

    Colorado | A large coffee table book by a local photogrpaher featuring nature photos of wildflowers, fall colors, waterfalls, fourteeners, and more - measures 14" x 11", 256-pages, over 5 lbs.

    by Grant Collier

    • Price$53.95
    • Rating4.8
    • Reviews42

    View on Amazon · Full data on KDPTop

  8. Demotivational 2027 Daily Calendar - All 365 Days! | A Funny, Uninspirational, and Humorou book cover by Grant Collier

    Demotivational 2027 Daily Calendar - All 365 Days! | A Funny, Uninspirational, and Humorous Page-A-Day / Day-to-Day Desk Calendar. Great gag gift / white elephant present.

    by Grant Collier

    • Price$14.95
    • Rating4.5
    • Reviews2

    View on Amazon · Full data on KDPTop

  9. The Universe 2027 Astronomy Wall Calendar (12"x12") - Stunning photos from NASA's Hubble S book cover by Grant Collier

    The Universe 2027 Astronomy Wall Calendar (12"x12") - Stunning photos from NASA's Hubble Space Telescope & More

    by Grant Collier

    • Price$11.95
    • Rating4.8
    • Reviews432

    View on Amazon · Full data on KDPTop

  10. Collier's Guide to Night Photography in the Great Outdoors - 3rd Edition | Learn how to ta book cover by Grant Collier

    Collier's Guide to Night Photography in the Great Outdoors - 3rd Edition | Learn how to take and process photogrpahs of the Milky Way, northern ights, meteors, eclipses, lightning, moon, and more.

    by Grant Collier

    • Price$19.95
    • Rating4.6
    • Reviews53

    View on Amazon · Full data on KDPTop

Main categories

About this data

Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.