2026 Reading Challenge

Join the Goodreads Author Program

Are you Kaja Nordengen, author of the books below?
Hjernen er stjernen by Kaja Nordengen Hjernetrening. Slik holder du hjernen i form by Kaja Nordengen Mózg jak brzytwa. Roczny plan treningowy by Kaja Nordengen Pakiet by Kaja Nordengen Hjernen er stjernen by Kaja Nordengen


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


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