Shadow Jumper: A mystery adventure book for children

The Mystery of Darkhill School: a scary book by Loughty, CJ

The Secret Lake: A children's mystery adventure (Secret Lake Mystery Adventures): 8601200448474: Inglis, Karen: Books

At Morris College All-Sports Camp, Greyson Gray discovers intense athletic competition, quirky huddlemates, and budding romance to distract him from the loneliness he has felt since his father’s mysterious disappearance. The lighthearted camp atmosphere turns, though, when Greyson stumbles upon a terrorist’s sinister plot brewing in the observatory – a place already haunted by a chilling camp legend.

Greyson Gray: Camp Legend [Book]

Play Of Shadows Sebastien de Castell

The Mystery of Craven Manor: An Adventure by Wodhams, Joy

Shadow Jumper (Shadow Jumper #1) by J.M. Forster

Lightfall: Shadow of the Bird (Lightfall, #2) by Tim Probert

Shadow Jumper: A mystery adventure book for by Forster, J M

The Shadow Crosser (The Storm Runner, #3) by J.C. Cervantes

Shadow Jumper: A mystery adventure book for children and teen by Forster, J M 9780993070907