The twins' birthday is coming Astrid and Apollo each have a special, surprise gift planned for the other. Astrid thinks she has guessed what Apollo is giving her, but as she puts more clues together, she realizes she's in the middle of a birthday mystery Join in the fun as the twins try to pull off the ultimate birthday surprises for the best birthday ever Readers will love joining the twins on their adventures in this chapter book series about a Hmong American family.