As spring arrives on Gardam Street, there are surprises in store for each Penderwick, from neighbor Nick Geiger's expected return from the war to Batty's new dog-walking business, but her plans to use her profits to surprise her family on her eleventh birthday go astray.

Pig and Mouse work together to make Cow the best birthday cake ever, despite Duck's unconventional cooking methods.

Siblings Jack and Anna decide to surprise their father with cupcakes for his birthday, but when ingredients begin falling into the cupcake batter they have no idea how the treats will turn out.

A book featuring the Very Hungry Caterpillar celebrates birthdays, from presents and balloons to cake.

"Eliot prepares a birthday party for his canine friend, a big dog named Tiny"--

After rushing through the snow to get to their friend's birthday party, two mice realize that they forgot to bring the present.

It is Shyanna's long-awaited, all-important thirteenth birthday, but nothing is going right--and when Cora's baby sister Jewel gets trapped in a fishing net, Shyanna is the only one small enough to get inside the net and rescue her at the risk of being turned into a human forever.

When news spreads that Ms. Brindle Cow is having her baby, many animals travel to share her joy, only to be greeted with a big surprise.

First year camper Kianna Drake is technically too young to be a Pony Girl at Storm Cliff Stables, but in two days she will be officially eight and she is feeling homesick and a little left out, because the other Pony Girls do not seem to care.

Unicorn Princess Bloom asks the human girl Cressida to help with final preparations for her birthday party, but when they discover quails destroying the party decorations and realize that the invitation to Princess Bloom's best friend has gone astray, they fear the celebration will be ruined.