Zilpha Keatley Snyder 's Books
Black and Blue Magic
The Trespassers
Ghost Invasion
Gib and the Gray Ghost
Ghosts of Rathburn Park
The Box and the Bone
Below the Root
The Ghosts of Stone Hollow
And Condors Danced
Secret Weapons
Season of Ponies
Fabulous Creature
Until the Celebration
Libby on Wednesday
William's Midsummer Dreams
Birds of Summer
The Changeling
William S. and the Great Escape
Magic Nation Thing
The Witches of Worm
Cat Running
The Treasures of Weatherby
Eyes in the Fishbowl
The Unseen
The Gypsy Game
Runaways
The Headless Cupid
Gib Rides Home
Spyhole Secrets
The Velvet Room
Fool's Gold
Song of the Gargoyle
Blair’s Nightmare
The Magic Nation Thing
The Diamond War
The Famous Stanley Kidnapping Case
A very well recieved series by Zilpha Keatley Snyder are the books, featuring tropes. The most popular books are Black and Blue Magic, The Trespassers, Ghost Invasion, Gib and the Gray Ghost, Ghosts of Rathburn Park, The Box and the Bone, Below the Root, The Ghosts of Stone Hollow, And Condors Danced, Secret Weapons, Season of Ponies, Fabulous Creature, Until the Celebration, Libby on Wednesday, William's Midsummer Dreams, Birds of Summer, The Changeling, William S. and the Great Escape, Magic Nation Thing, The Witches of Worm, Cat Running, The Treasures of Weatherby, Eyes in the Fishbowl, The Unseen, The Gypsy Game, Runaways, The Headless Cupid, Gib Rides Home, Spyhole Secrets, The Velvet Room, Fool's Gold, Song of the Gargoyle, Blair’s Nightmare, The Magic Nation Thing, The Diamond War, The Famous Stanley Kidnapping Case, which was published in 2022.