SpongeBob is throwing a mystery birthday party and he's invited all of his friends. This party is so top-secret, not even the guests know whose birthday it is! All they know is that they were each asked to bring a gift that starts with the letter "P". Will SpongeBob's clues be enough to clue in his guests? Crack open the pineapple case and pull out this SpongeBob Partypants Book to find out.

• Author/Illustrator: Zuravicky, Orli; Goldberg, Barry (ILT)
• Hardcover
• Reading level: Ages 5-6 years
• Publication date: 2/6/2007