Teenage troubles (co-authored with Branca Fabrício). São Paulo: Ática, 1994.

This book is part of a 12-volume series of readers (Buddies) for secondary schools in Brazil. The stories revolve around the adventures of a group of friends from childhood into their teenage years, and they deal with relevant issues for that age group such as friendship, concerns about the future, changes in their bodies, leisure, and relationships.

In Teenage troubles, seven teenagers visit an Esoteric Convention where they expect to learn a bit more about themselves and their future. Unexpected events occur when the teens find out that the organiser of the convention has some obscure intentions.

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