Caillou est un grand garçon maintenant. Quand sa sœur Rosie va au lit, il peut rester avant Maman et Papa. Mais, quand les jeux et histoires sont finis, quand ses parents sortent de sa chambre et ferment la porte, Caillou se sent très vulnérable tout seul dans le noir.

Ce livre existe également en français : Caillou - Bonne nuit.

Caillou goes to day care and learns to socialize.

This book is also available in French: Caillou, la garderie.

With Mommy and Daddy's help, Caillou learns that it's nice to hear the words please and thank you. They are like a friendly hug that encourages people to respond favorably. Politeness is much more than just a social convention; it is also a way to ease our interactions with others. Even very young children can learn to express their needs courteously. In this book, Caillou discovers why asking nicely is so important.

Caillou wants to marry his mother. To help him understand why this is impossible, Daddy tells Caillou a story.

This book is also available in French: Caillou, le prince.