Boxcar children
11. Caboose mystery
15. Bicycle mystery
28. The mystery girl
When their friend Sam gets a letter full of riddles from an eccentric millionaire, the Aldens are eager to help him crack the code. If Sam can solve the puzzle, he will inherit the millionaire's money! But Sam isn't the only one in town to receive a letter - and whoever solves the mystery first will win the prize!
The Alden children have discovered another mystery close to home! The old boxcar where they once lived is now a playhouse in their backyard. Â One night, Benny sees a strange light in the boxcar, and the children begin to find clues to the boxcar's past. Could something that happened long ago be haunting the boxcar now?
111. The Seattle puzzle
114. A horse named Dragon
118. The spy game
119. The dog-gone mystery
120. The vampire mystery
121. Superstar Watch
125. The cupcake caper
127. Monkey trouble
128. The zombie project
130. The Garden Thief
The Alden children help solve a case surrounding missing vegetables and vandalism in the community garden.
Grandfather's friend, Mr. Yee, has broken his arm and can't tend to his beloved vegetable plot in the community garden. The Alden children gladly offer their services to help him with his prize-winning veggies. But they soon learn something mysterious is afoot at the community garden. Vegetables go missing, and it appears someone is intentionally
...145. The election day dilemma
146. The doughnut whodunit
147. The robot ransom
148. The legend of the howling werewolf
149. The Day of the Dead mystery
150. The hundred-year mystery
152. Secret on the thirteenth floor
153. The power down mystery
158. The Great Greenfield Bake-Off
159. The beekeper mystery
The Aldens try to find a missing magician.
Henry is learning to perform magic tricks from The Amazing Arthur and is excited to participate in Greenfield Magic Shop's annual magic show. But then The Amazing Arthur goes missing. Is his disappearance part of a new magic trick or a mystery?
161. The Raptor Rescue
The Raptor Rehab Center's reputation is at stake!
Can the Aldens figure out who's responsible for the bad press before the center gets shut down for good? Henry, Jessie, Violet, and Benny are excited to learn more about raptors when they volunteer at a rehab center for wild birds. But not long after they arrive, a series of strange events makes it seem like someone might be trying to sabotage the center. Who could the culprit
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