The Outer Space Mystery (Boxcar Children Mysteries, Book 59)

The Sword and the Flame (The Dragon King Trilogy Book 3)

The Amusement Park Mystery Graphic Novel (The Boxcar Children Graphic Novels)

The Tunnel of Bones (Double Detectives Book 4)

The Clue of the Leaning Chimney

Scariest. Book. Ever

Puzzle Adventure Omnibus: v. 2 (Usborne Puzzle Adventures): v. 2 (Usborne Puzzle Adventures)

The Crook that Made Kids Cry (Field Trip Mysteries)

Four orphaned siblings make a home for themselves in an abandoned boxcar.

The Boxcar Children

The Boxcar Children are going on vacation to Dragon's Mouth Cavern. The four Aldens like rock hunting in the area, until Benny finds a sinkhole that leads to the underground caves. While exploring the caves, they realize that someone doesn't want them there. But why? Can the Boxcar Children solve this new underground mystery?

Teamwork

Courage

Curiosity

The Mystery in the Cave (The Boxcar Children Mysteries)

Discover Your Child's Next Read

The Outer Space Mystery (Boxcar Children Mysteries, Book 59)

Tim Gregory, Gertrude Chandler Warner, 1997

The Sword and the Flame (The Dragon King Trilogy Book 3)

Tim Gregory, Stephen Lawhead, 1983

The Amusement Park Mystery Graphic Novel (The Boxcar Children Graphic Novels)

Gertrude Chandler Warner, 1992

The Tunnel of Bones (Double Detectives Book 4)

Zack Norris, 2012

The Clue of the Leaning Chimney

Carolyn Keene, 1949

Scariest. Book. Ever

R.L. Stine, 2023

Puzzle Adventure Omnibus: v. 2 (Usborne Puzzle Adventures): v. 2 (Usborne Puzzle Adventures)

Martin Oliver, Michelle Bates, Karen Dolby, 1994

The Crook that Made Kids Cry (Field Trip Mysteries)

Marcos Calo, Steve Brezenoff, 2013