Non-Fiction Books in Order
Below you'll find the complete list of Non-Fiction books in publication order. This is generally the recommended reading order for the series.
Reading order verified: January 2026
Publication Order
1123 Hard to Believe Facts
Buy on Amazon2016
Which is NOT True?: The Quiz Book
Buy on Amazon2016
Fascinating Facts for the Whole Family: Trivia about Human Body and Cute Animals
Buy on Amazon2017
853 Hard to Believe Facts
Buy on Amazon2018
523 Hard to Believe Facts
Buy on Amazon2019
323 Disturbing Facts about Our World: Shocking, Ironic or Simply Sad Pieces of Trivia
Buy on Amazon2020
463 Hard to Believe Facts: Better Explained, Counterintuitive and Fun Trivia
Buy on Amazon2021
A Question a Day Keeps the Boredom Away
Buy on Amazon2022
373 Mind-Boggling Facts and Questions from the Puzzle Vault
Buy on Amazon2024
In 2020, he won a Readers’ Favorite Silver Medal.
20
Frequently Asked Questions
The recommended reading order for the Non-Fiction series is publication order: 1. 1123 Hard to Believe Facts (2016), 2. Which is NOT True?: The Quiz Book (2016), 3. Fascinating Facts for the Whole Family: Trivia about Human Body and Cute Animals (2017), 4. 853 Hard to Believe Facts (2018), 5. 523 Hard to Believe Facts (2019), and 5 more. This is generally the best way to experience the story as the author intended.
The Non-Fiction series by Nayden Kostov contains 10 books. The series began in 2016 and continues to be a popular choice for readers.
The Non-Fiction series is written by Nayden Kostov. You can find more books and series by this author on our website.
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