Despite the objections of Pig and Mouse, Duck insists on adding a special ingredient to the cake they are making to celebrate Cow's birthday.

Nellie Sue, who fancies herself a real cowgirl, wants a horse for her birthday, but she discovers that a brand new bicycle--her first--takes almost as much taming as a filly.

Despite his parents' protests, Billy wants nothing for his birthday but a very special bucket and all goes well until the bucket is borrowed without his permission.

"Lucy's letter to Henry Bigg could get the whole family in trouble. Tom has to get the letter back!"

Lonely seven-year-old Harold Phillip Snipperpot is excited when his parents, not known for their affection, throw him a birthday party attended exclusively by animals, but things take a turn when his guests start destroying the house, forcing Harold to try and save his party from calamity with surprising results.--

"Celebrating her forty-fifth birthday at her local pub, popular podcaster Alix Summers crosses paths with an unassuming woman called Josie Fair. Josie, it turns out, is also celebrating her forty-fifth birthday. They are, in fact, birthday twins. A few days later, Alix and Josie bump into each other again, this time outside Alix's children's school. Josie has been listening to Alix's podcasts and thinks she might be an interesting subject for her...

A surprising twist occurs on Alligator Al's birthday when a tasty-looking piglet knocks on Al's door.

After celebrating their first nine same-day birthdays together, Amanda and Leo, having fallen out on their tenth and not speaking to each other for the last year, prepare to celebrate their eleventh birthday separately but peculiar things begin to happen as the day of their birthday begins to repeat itself over and over again.

Rhyming text and illustrations describe all the activities associated with Jesse Bear's birthday party.

When Bertha Bear's birthday party is interrupted by a pesky fly, she races off in pursuit of it and disturbs a number of animals along the way.