Jack Is Curious: Why Do People Cry When They’re Happy?

This charming series views the world from the inquisitive eye of a child; each book addresses a question that could stump many a parent. A perfect series for bedtime reading.
 
Jack is a cheeky and curious boy who lives in Singapore. One day at the airport, he notices some travellers crying when they happy and others crying when they are unhappy. Aren’t tears supposed to be sad? “Why do people cry with they are happy?” he asks. Only Mama knows exactly how to answer — unconventionally.