It's Tim's birthday. Instead of a package, Tim gets a mysterious letter -- written in code! It begins: "When the moon comes up , look for the biggest star." Tim -- and the reader -- are off, following the clues. And at the end of the treasure hunt is a wonderful birthday surprise!
- Grade Level: Preschool and up
- Hardcover: 32 pages
- Publisher: Crowell (January 1, 1972)
- ISBN-13: 978-0690723472