The Book of When

When do people get old? When does lightning strike? When will the sun stop shining? Curious young minds finally get answers in this fun and informative book.
From the authors of "The Book of Why" and "The Book of How" comes a third volume full of great answers to tough questions: When do volcanoes erupt? When do wasps sting? When are we sure we're right? When did history begin? When was Santa Claus born? When are we allowed to lie? When do we get a tooth pulled? These and eighty other questions are thoughtfully answered in this well-researched book perfect for all curious kids.