I loved this book so much growing up. I can't look at Waldo now without thinking of the taste of Life cereal, because I grew up searching for him on the back of Life cereal boxes during breakfast.
In this book, he travels through many time periods, beginning in the age of cave men and progressing to Egypt, Rome, the Middle Ages, the Gold Rush, a ball in Paris, and "the future," among others. He's easier to find in the beginning since he's carrying a stack of books, which gradually shrinks as the book goes on.
As usual, the pictures are busy and there's an awful lot of mayhem and silliness, as well as slapstick violence. No blood, but several characters are about to meet their deaths (or perhaps already have) at many points.
It may not be for everyone, but I enjoyed it as a kid and still enjoy going back and finding all of the silly things that are happening, which is sometimes more fun than finding Waldo himself.