"Grammy Award winner Pharrell Williams brings his beloved hit song to the youngest of readers in a blend of illustrations and photos of children celebrating what it means to be happy."--Book jacket front flap.

When Merlin is weighed down by sorrows, Jack and Annie travel back to feudal Japan to learn one of the four secrets of happiness.

As Grasshopper sets out to follow a road, he meets some unusual characters.

The relatives come to visit from Virginia and everyone has a wonderful time.

"Three monks, Hok, Lok, and Siew, journey along a mountain road trying to understand what makes one happy. At once the monks encounter frightened villagers who lock their windows and darken their homes. The villagers have long been ravaged by harsh times, and their hearts have grown hard toward everyone they meet. But when the monks cleverly entice them to make soup from stones, the villagers discover how much they each have give, and how much more...

Despite pleas from his court, a fun-loving king refuses to get out of his bathtub to rule his kingdom.

Jack and Annie travel in their Magic Tree House back to a Hawaiian island of long ago where they make friends, learn how to surf, and encounter a tsunami.