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Robiul Islam Books: Amazon KDP author data

As of Nov 6, 2026, Robiul Islam Books has 30 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #23), mostly in Engineering, Science, Nature & How It Works, How Things Work.

30Books on Amazon
8Listed in 30 days
4.6Average rating
Median price$7.99
Price range (middle 50%)$7.68 – $9.99
Median reviews1
Total reviews6
New books (30 days)5
Breakout books (30 days)3

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What stands out

  • Median price $7.99, 38% below the median of their main category, Engineering.
  • 5 new books in the last 30 days, 3 of them broke into a Best Sellers list.

Robiul Islam Books's best-ranked books

  1. How Motorcycles Work for Kids Ages 4–8: A Fun Beginner's Guide to Motorcycle Parts, Engine book cover by Robiul Islam Books

    How Motorcycles Work for Kids Ages 4–8: A Fun Beginner's Guide to Motorcycle Parts, Engines, Safety, and How Bikes Move (Little Engineers Series)

    by Robiul Islam Books

    • Price$9.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  2. How Rockets Work for Kids Ages 4–8: A Fun and Easy Guide to Rockets, Space Travel, and How book cover by Robiul Islam Books

    How Rockets Work for Kids Ages 4–8: A Fun and Easy Guide to Rockets, Space Travel, and How Rockets Fly (Little Engineers Series Book 11)

    by Robiul Islam Books

    • Price$3.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  3. How Ships Work for Kids Ages 4–8: A Fun and Simple Guide to Ship Parts, Engines, Navigatio book cover by Robiul Islam Books

    How Ships Work for Kids Ages 4–8: A Fun and Simple Guide to Ship Parts, Engines, Navigation, Cargo, and Life at Sea (Little Engineers Series Book 9)

    by Robiul Islam Books

    • Price$3.99
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  4. My First Islamic Book for Kids: Simple Islamic Lessons, Daily Duas & Good Manners for Musl book cover by Robiul Islam Books

    My First Islamic Book for Kids: Simple Islamic Lessons, Daily Duas & Good Manners for Muslim Children Ages 4–8

    by Robiul Islam Books

    • Price$3.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  5. How Cars Work for Kids Ages 4-8: Fun and Simple Car Engine Science Book for Boys and Girls book cover by Robiul Islam Books

    How Cars Work for Kids Ages 4-8: Fun and Simple Car Engine Science Book for Boys and Girls to Learn About Car Engines, Motion, Wheels, Fuel, and How Machines Work (Little Engineers Series)

    by Robiul Islam Books

    • Price$9.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  6. How Trucks Work for Kids Ages 4-8: Learn How Trucks Move, Lift, and Work Every Day (Little book cover by Robiul Islam Books

    How Trucks Work for Kids Ages 4-8: Learn How Trucks Move, Lift, and Work Every Day (Little Engineers Series)

    by Robiul Islam Books

    • Price$9.99
    • Reviews-
    • Published2026-06

    View on Amazon · Full data on KDPTop

  7. How Trains Work for Kids Ages 4–8: A Fun STEM Adventure to Discover Locomotives, Tracks, E book cover by Robiul Islam Books

    How Trains Work for Kids Ages 4–8: A Fun STEM Adventure to Discover Locomotives, Tracks, Engines, Signals, Stations, and Railway Safety (Little Engineers Series Book 8)

    by Robiul Islam Books

    • Price$0
    • Rating3.5
    • Reviews3
    • Published2026-07

    View on Amazon · Full data on KDPTop

  8. Find the Hidden Letters – A Fun Alphabet & Number Activity Book for Kids Ages 3–6: A Monte book cover by Robiul Islam Books

    Find the Hidden Letters – A Fun Alphabet & Number Activity Book for Kids Ages 3–6: A Montessori-Inspired Alphabet & Number Activity Book with Fun ... Games (ABC Learning Book Series)

    by Robiul Islam Books

    • Price$7.57
    • Rating5.0
    • Reviews1
    • Published2026-01

    View on Amazon · Full data on KDPTop

  9. Word Search for Kids Ages 6-8: 100 Mega Puzzles with 1000+ Words – Ultimate Fun Activity B book cover by Robiul Islam Books

    Word Search for Kids Ages 6-8: 100 Mega Puzzles with 1000+ Words – Ultimate Fun Activity Book for 1st, 2nd & 3rd Grade (Large Print Vocabulary & Spelling Games)

    by Robiul Islam Books

    • Price$7.99
    • Rating5.0
    • Reviews1
    • Published2025-12

    View on Amazon · Full data on KDPTop

  10. My First Book of Birds for Kids Ages 3–6: Learn Bird Names, Explore Colorful Pictures & En book cover by Robiul Islam Books

    My First Book of Birds for Kids Ages 3–6: Learn Bird Names, Explore Colorful Pictures & Enjoy Fun Coloring Activities (My First Discovery Series)

    by Robiul Islam Books

    • Price-
    • Reviews-
    • Published2026-08

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Robiul Islam Books have on Amazon?

KDPTop tracks 30 of their books; 8 made an Amazon list in the last 30 days.

Which categories does Robiul Islam Books publish in?

Their books chart most often in Engineering, Science, Nature & How It Works, How Things Work.

How does Robiul Islam Books price their books?

The median price is $7.99; half of the books cost $7.68–$9.99.

Has Robiul Islam Books released new books recently?

5 new books in the last 30 days, 3 of which reached a Best Sellers list.

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.