A little girl investigates tracks in the snow, trying to determine what could have made them.
After getting a fluttery feeling while helping Mouse make valentines for each of their friends, Mole sends her a series of notes and gifts, signing them "your secret valentine."
Best friends Mouse and Mole enjoy playing in the snow with Sno-Mouse and Sno-Mole, two more best friends.
After discovery of a mouse in the house, larger and larger animals are sent in after one another, with increasingly chaotic results.
When spring arrives, Mole and Mouse find a unique way to bird watch.
A young girl rushes outside when the air is crisp and the sky turns gray to observe all of the changes that autumn brings.
As a young girl splashes in the rain, she plays a guessing game with the reader about other living things that enjoy a cloudburst.
After finding a Christmas tree for Mayor Mole, Fireman Small has a busy Christmas Eve as he fills in for Santa Claus.
As Halloween approaches, Mouse helps her friend Mole get over his fear and enjoy the holiday.
Everytime he gets into bed, Fireman Small is called to rescue some animal in trouble.
Mouse and his downstairs neighbor, Mole, discover that when they help each other, housecleaning and other daily tasks are much easier.
As best friends Mole and Mouse try to solve the problem of Mole's moth-eaten clothes, they also find new uses for old things.
Having gone to the Pink Hotel to get some sleep, Fireman Small detects a fire there and saves its animal guests.
When shop owners call on Detective Small to track down a banana thief, he follows the clues to a likely suspect, then learns that the real culprit is still on the loose.
Everyone in the family thinks that baby is crying and tries to cheer him up until it is revealed that it is not tears but drops of rain that are on baby's face.
When Mrs. Brown goes to the hospital, her farm animals--a cow, two pigs, three ducks, and a yak--take over her house.
After moving to the city, Kim makes some new friends while looking for her lost dog, Chip.