When their friend Sam gets a letter full of riddles from an eccentric millionaire, the Aldens are eager to help him crack the code. If Sam can solve the puzzle, he will inherit the millionaire's money! But Sam isn't the only one in town to receive a letter - and whoever solves the mystery first will win the prize!
- Available now
- New eBook additions
- New kids additions
- New teen additions
- Most popular
- Try something different
- See all
- Available now
- New audiobook additions
- New kids additions
- New teen additions
- Most popular
- Try something different
- See all