When a pig named Mercy arrives at the Watsons' front door, she brings love and chaos to their lives.

Pig loves books, both big and small, and reads them at school, at home, and on the bus.

Gerald and Piggie discover the joy of being read. But what will happen when the book ends?

A constant worrier, Franklin Endicott earns a fresh cause for alarm when he accompanies Eugenia Lincoln to her favorite thrift shop and leaves with a mystery to solve.

"Help Jack and Meg solve the case of the lost pig!"--

"Maya and Julius, the pig her grandfather brings her from Alaska, learn about fun and sharing together"--

Wearing his perfectly clean suit and living in his perfectly tidy room, Edward the pig avoids getting messy until a big tub of paint falls on his head.

After Mercy the pig snuggles to sleep with the Watsons, all three awaken with the bed teetering on the edge of a big hole in the floor.

Little Oink is a neat little pig, but his parents will not allow him to play until he is messy, as pigs should be.

When Stella gets the sudden idea to go caroling, she has a little trouble getting someone to join her. Her brother, Frank, is not good at spontaneity. The Watsons are very involved in a precarious fruitcake attempt (but happy to send their pig, Mercy, out for the occasion). Eugenia Lincoln declines, a bit rudely, to accompany on her accordion, and Horace Broom is too busy studying planetary movement. Will Stella need to sing by herself--with enthusiastic...