Tod's ears are so clogged up he can't hear, but he doesn't want to miss school. His teacher, the ex-spy Mr. Merlin, is sure to have secret codes for the class to figure out and a new mystery for them to solve. but the mystery turns out to be in Todd's own backyard. Someone's been in his tree house and left a pretty yucky clue. It's another case for Mr. Merlin's police scientist friend, Dr. Smil…
Todd and Noelle are volunteering at a blood drive when they get schocking news: Both banks in town have been robbed! This may be the Third grade Detectives most important case yet. The new police chief doesn't think he needs help from a bunch of third graders to solve crimes and if the kids can't prove him wrong, their detective careers may be over. The trouble is, the thief hasn't left any c…
Stevie Marsh is off for the summer to learn about computers at camp viper. He's not happy about being in the woods with all the bugs and poison ivy and-yuck!-snakes.