My favorite series is The Sisters Grimm series by Michael Buckley. He has written other series. I recomend these books for children who like mysteries. The books in the series include

  1. The Fairy-Tale Detectives
  2. The Unusual Suspects
  3. The Problem Child
  4. Once Upon a Crime
  5. Magic and Other Misdemeanors
  6. Tales From the Hood
  7. The Everafter War
  8. The Inside Story
  9. The Council of Mirrors