2. The Missing Pickle Car Mystery
5. The Mystery of the Lost Parrot
7. The Trouble with Bubbles
9. The Lighthouse Ghost Mystery
11. The Sticky Stuff Mystery
14. The Crashing Cans Mystery
15. The Invisible Cake Snatcher
18. There Might Be Giants
20. The Secret Club Mystery
21. The Playground Mystery
22. The Crazy Clock Mix-Up Mystery
23. The Cheese Car Chomp Mystery
25. The Mystery of the Unbreakable Bread
26. The Twisty Line Mystery
28. The Mystery of the Unfinished Painting
29. The Pretty Park Mystery
30. The Missing Museum Statue Mystery
31. The Vanishing Tiara Mystery
32. The Postage Stamp Mystery
33. The Bank Note Mystery
34. The Flying Saucer Mystery
35. The Smudged Letter Mystery
37. The Falling Fruit Mystery
39. The Disappearing Swimming Hole
40. The Forgotten Fire Hose Mystery
41. The Disappearing Home Mystery
42. The Flipping, Flying, Slipping, Sliding Mystery
43. The Mystery of the Unpopular Pizzeria
44. The Silly Scarecrow Mystery
45. Huckle, Where's My Apple Car?
46. The Dirty Laundry Mystery
47. The Eight Shoes Mystery
48. The Something in the Woods Mystery
49. The Borrowed Book Mystery
50. The Mystery of the Missing Mystery Books
51. The Mystery of the High Jumper
52. The Mystery of the Summer Snowman