unsolved mysteries ghosts

Mysteries of Trash and Treasure: The Secret Letters - by Margaret Peterson Haddix

Ghosts at Sea - by Abby Doty (Paperback)

Cherry Ames, The Mystery in the Doctor's Office - (Cherry Ames Nurse Stories) 2nd Edition by Helen Wells (Paperback)

Whale and the Mystery Mango - (Whale, Quail, Snail) by Erica S Perl

Muriel and the Mystery - by Charlotte Parent (Hardcover)

Nancy Drew Clue Book Mystery Mayhem Collection Books 1-4 (Boxed Set) - by Carolyn Keene (Paperback)

Skeleton Crew Showdown - (Scooby-Doo! Beginner Mysteries) by Michael Anthony Steele (Paperback)

Solve Your Own Mystery: The Transylvanian Express - by Gareth P Jones (Paperback)

Mystery of the Phantom Heist - (Hardy Boys Adventures) by Franklin W Dixon (Paperback)

The Birthday Cake Thief - (The Moonlight Mystery Agency (2)) by Vashti Hardy & Liz Smart & Rebecca Franks (Paperback)

The White Wolf - (A to Z Mysteries) by Ron Roy (Paperback)

Hide and Shriek - (Ghosts of Fear Street) by R L Stine

The Mystery at the Dog Show - (Boxcar Children Mysteries) (Paperback)

The Baseball Mystery - (Real Kids! Real Places! (Paperback)) by Carole Marsh (Paperback)

Little Ghost's Valentines - (The Little Ghost) by Maggie Edkins Willis (Hardcover)

Hazy Bloom and the Mystery Next Door - by Jennifer Hamburg (Paperback)

CAM Jansen: CAM Jansen and the Wedding Cake Mystery #30 - (Cam Jansen) by David A Adler (Paperback)

The Twins and the Trapdoor - (The Manor Mysteries) by Eileen Biltmore

Monster Marsh - (Scooby-Doo! Mini Mysteries) by John Sazaklis (Paperback)

A to Z Mysteries Super Edition #4: Sleepy Hollow Sleepover - by Ron Roy (Paperback)

Leila & Nugget Mystery - (Leila and Nugget Mysteries) by Dustin Brady (Paperback)

Detective Duck: The Mystery at Emerald Pond (Detective Duck #3) - by Henry Winkler & Lin Oliver (Hardcover)

Dragon Ghosts - (Unwanteds Quests) by Lisa McMann (Hardcover)

A Troll Lot of Trouble - (Desmond Cole Ghost Patrol) by Andres Miedoso