Books by Suzy Kline
18 books by Suzy Kline have full reviews here; all 76 Suzy Kline titles and editions in our catalog are rated for reading level and content intensity.
Suzy Kline has 18 books with full reviews on HootRated, spanning Grade 2–4 reading level. The typical Suzy Kline book lands at Grade 3, with average content intensity 1.3/5. Most Suzy Kline titles fall within the Horrible Harry series.
Reading level alone doesn't tell parents whether a Suzy Kline book is right for a child. 94% of Suzy Kline's reviewed titles are at Gentle or Mild intensity — appropriate for sensitive readers or kids reading ahead of their emotional readiness. None are rated Intense or Very Intense. The intensity badges below (green → red) help you match books to your child's emotional readiness, not just their reading ability. See our methodology for how we rate.
Horrible Harry in room 2B
Suzy Kline
Horrible Harry in room 2B
Suzy Kline
Horrible Harry goes to sea!
Suzy Kline
Horrible Harry goes to sea!
Suzy Kline
Horrible Harry and the dragon war
Suzy Kline
Horrible Harry and the dragon war
Suzy Kline
Horrible Harry and the Mud Gremlins
Suzy Kline
Horrible Harry and the Mud Gremlins
Suzy Kline
Horrible Harry and the locked closet
Suzy Kline
Horrible Harry and the locked closet
Suzy Kline
Horrible Harry and The Goog
Suzy Kline
Horrible Harry and The Goog
Suzy Kline
Horrible Harry and the ant invasion
Suzy Kline
Horrible Harry and the ant invasion
Suzy Kline
Horrible Harry and the Christmas surprise
Suzy Kline
Horrible Harry and the Christmas surprise
Suzy Kline
Horrible Harry and the dungeon
Suzy Kline
Horrible Harry and the dungeon
Suzy Kline
Horrible Harry at Halloween
Suzy Kline
Horrible Harry at Halloween
Suzy Kline
Horrible Harry goes to the moon
Suzy Kline
Horrible Harry goes to the moon
Suzy Kline
Horrible Harry cracks the code
Suzy Kline
Horrible Harry cracks the code
Suzy Kline
Horrible Harry goes cuckoo
Suzy Kline
Horrible Harry goes cuckoo
Suzy Kline
Horrible Harry and the scarlet scissors
Suzy Kline
Horrible Harry and the scarlet scissors
Suzy Kline
Horrible Harry and the battle of the bugs
Suzy Kline
Horrible Harry and the battle of the bugs
Suzy Kline
Horrible Harry and the birthday girl
Suzy Kline
Horrible Harry and the birthday girl
Suzy Kline
Horrible Harry and the secret treasure
Suzy Kline
Horrible Harry and the secret treasure
Suzy Kline
Horrible Harry and the hallway bully
Suzy Kline
Horrible Harry and the hallway bully
Suzy Kline
More Suzy Kline titles in our catalog
Each is rated too; choosing one opens it in search.
- Herbie Jones Level 4-5 · Gentle 2 editions
- Herbie Jones and Hamburger Head Level 4-5 · Mild 2 editions
- Herbie Jones and the birthday showdown Level 3 · Gentle 2 editions
- Herbie Jones moves on Level 3 · Mild
- Herbie Jones superhero Level 4-5 · Mild
- Horrible Harry and the dead letters Level 3 · Gentle
- Horrible Harry and the field day revenge Level 3 · Mild
- Horrible Harry and the Green Slime Level 3 · Gentle
- Horrible Harry and the holidaze Level 3 · Gentle 2 editions
- Horrible Harry and the June box Level 3-4 · Gentle
- Horrible Harry and the kickball wedding Level 3 · Gentle
- Horrible Harry and the missing diamond Level 1-2 · Gentle
- Horrible Harry and the Purple People Level 3 · Mild 2 editions
- Horrible Harry and the stolen cookie Level 3-4 · Mild
- Horrible Harry and the top-secret hideout Level 3 · Mild
- Horrible Harry and the triple revenge Level 1-2 · Mild
- Horrible Harry and the Triple Revenge (Horrible Harry) Level 3 · Mild
- Horrible Harry and the wedding spies Level 3 · Gentle
- Horrible Harry Bugs the Three Bears Level 3 · Gentle
- Horrible Harry moves up to third grade Level 3 · Gentle
- Horrible Harry on the ropes Level 3 · Gentle
- Horrible Harry says goodbye Level 3 · Mild
- Horrible Harry's Secret Level 3 · Gentle
- Marvin and the mean words Level 3 · Mild 3 editions
- Marvin and the Meanest Girl Level 3 · Mild
- Mary Marony and the Snake Level 2-3 · Gentle
- Mary Marony Hides Out Level 3-4 · Gentle
- Mary Marony, mummy girl Level 3-4 · Gentle
- Molly gets mad Level 3 · Mild
- Molly's in a Mess Level 3 · Gentle 2 editions
- Song Lee and the hamster hunt Level 3 · Gentle
- Song Lee and the I Hate You Note Level 4-5 · Mild
- Song Lee and the Leech Man Level 3 · Mild
- The hole book Level 1-2 · Gentle
- What's the Matter With Herbie Jones? Level 5 · Mild
- Who's Orp's girlfriend? Level 3 · Mild
Questions about Suzy Kline's books
- What reading level are Suzy Kline's books?
- Suzy Kline's reviewed books range from Grade 2–4, with the typical book at Grade 3. Each title has a separate content intensity score so parents can choose by emotional readiness, not just text difficulty.
- Are Suzy Kline's books appropriate for sensitive readers?
- 17 of Suzy Kline's 18 reviewed books (94%) are at Gentle or Mild intensity — safe for sensitive readers. None are rated Intense or Very Intense. Average intensity: 1.3/5.
- What age are Suzy Kline's books appropriate for?
- Suzy Kline's reviewed books target Ages 5-8. HootRated rates each book on reading level and content intensity — match both dimensions, not just one.