This book is the third in a series of 12 books based on the television show, "Castelo Ra-Tim-Bum". Each of the books in the series was based on one, or more of the characters from the show, expanding the character's story, and giving a bit more of a background to their lives. This book details the lives of Tibio and Peronio, twin scientists. It was written by Flavio de Souza, the actor that also played the part of Tibio. The book is illustrated by to artists: Ricardo Fernando Girotto, and Luis Carlos Fernandes.

Books in this series:
Colecao: Castelo Ra-Tim-Bum, book series. All illustrated by Ricardo Fernando Girotto, and Luis Carlos Fernandes.

1. O Album do Nino. Written by Flavio de Souza ISBN: 8585466332
   
2. O Diario de Bordo do Etevaldo. Written by Anna Muylaert ISBN: 8585466405
   
3. As Experiencias de Tibio e Peronio. Written by Flavio de Souza ISBN: 8585466472
   
4. As Memorias de Morganam. Written by Anna Muylaert ISBN: 8585466499
   
5. Os Enigmas do Mau. Written by Flavio de Souza ISBN: 8585466529
   
6. As Fofocas da Celeste. Written by Flavio de Souza ISBN: 8585466545
   
7. As Aventuras do Bongo. Written by Naninha Gitahy and Cao Hamburger ISBN: 8585466618
   
8. As Reportagens da Penelope. Written by Anna Muylaert ISBN: 8585466723
   
9. As Estripulias de Biba, Pedro e Zeca. Written by Flavio de Souza ISBN: 8585466898
   
10. As Verdades e Mentiras do Doutor Abobrinha. Written by Cao Hamburger and Ana Maria Caira ISBN: 8574060097
    
11. Lendas e Causos da Caipora. Written by Flavio de Souza ISBN: 8574060089
    
12. As Invencoes do Dr. Victor. Written by Ana Maria Caira and Cao Hamburger ISBN: 8574060313