2026 Reading Challenge

Join the Goodreads Author Program

Are you Koen Fillet, author of the books below?
#weetikveel by Koen Fillet Jongens & wetenschap² by Sven Speybrouck Jongens & Wetenschap by Sven Speybrouck marathon van 0 tot 42 km by Paul Van Den Bosch


To join the author program as Koen Fillet, you will first need to sign in to Goodreads. Then navigate back to this page to apply.


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