In the 35th Horrible Harry book, Doug has a horrible problem: head lice!
When Doug discovers head lice in his hair, he's grossed out and embarrassed. Some of his classmates make fun of him for being dirty. Fortunately, with the help of good friends and the kind school nurse, Doug gets over his embarrassment, kills the bugs, and gets an award-winning science fair project out of the experience!
Author bio: Suzy Kline has written 34 previous Horrible Harry books. She is also the author of numerous popular children's books, including the Orp books and the Herbie Jones series. She taught elementary school for 27 years and now does scores of school visits in addition to her writing. She lives in West Willington, Connecticut.