Two irresistible preschool characters go on an out-of-this-world imaginary adventure!

It's Zac's birthday and by the end of his party, his best friend - Zeb - is feeling glum: Zeb wishes it was his birthday too, as parties look such fun. Zac decides to cheer Zeb up with a make-believe birthday party, which takes them on magical journey to the moon and back for a really special birthday treat!

This beautifully illustrated picture book touches on familiar childhood emotions in a friendly and light-hearted way, and with a good sprinkling of imaginative adventure, too!