unsolved mysteries ghosts

When You See Us: The Mysterious World of Aquatic Insects - by Katherine Hocker (Hardcover)

Pictures at the Protest - (Virginia Mysteries) by Steven K Smith

Chronicles of Ancient Darkness #6: Ghost Hunter - by Michelle Paver (Paperback)

Maggie and the Mysterious Noisy Bubbles - by Mary West

The Ski Slope Mystery - (Nancy Drew Notebooks) by Carolyn Keene (Paperback)

Mysteries of Marine Mammals - by Amandine Delaunay (Hardcover)

Windy City Danger - (Red Rock Mysteries) by Jerry B Jenkins & Chris Fabry (Paperback)

Marnie Midnight and the Moon Mystery - by Laura Ellen Anderson (Paperback)

The Lost Jewels of Room 713 - (A Bea Bellerose Mystery) by Jo Beckett-King (Hardcover)

Sir Edmund of the Wild West: Mystery in Roswell - by Dusti Bowling

Disappearing Acts - (Herculeah Jones Mystery) by Betsy Byars (Paperback)

Secrets and Mysteries Handbook for Minecraft - by Blockboy

Encyclopedia Brown and the Case of the Mysterious Handprints - by Donald J Sobol (Paperback)

Where's Waldo? the Rainforest Mystery - (Where's Waldo? Early Readers) by Candlewick Press

Danger on the Stage - (Virginia Mysteries) by Steven K Smith (Hardcover)

Mountain Top Mystery - (Boxcar Children Mysteries) by Gertrude Chandler Warner (Paperback)

The Ghost Forest (Secrets of the Sky, Book Three) - by Sayantani DasGupta (Hardcover)

The Mystery of the Desert Poo - (Whose Poo Is This?) by Song-Eui Park (Paperback)

The Pizza Mystery - (Boxcar Children Mysteries) (Paperback)

The Sword of the Silver Knight - (Boxcar Children Mysteries) (Paperback)

Sherlock Bones and the Natural History Mystery - by Renee Treml (Paperback)

Finally, Something Mysterious - (The One and Onlys) by Doug Cornett (Paperback)

The Treasure Key - (Crime-Solving Cousins Mysteries Book 2) by Shannon L Brown (Paperback)

Moomin and the Little Ghost - by Tove Jansson (Hardcover)