Nightmare and Casper (1963-1964 Harvey) comic books

One of the many Casper spin-off titles, this one featuring his adventures with Nightmare, the ghost horse. The giant-sized, 64-page series presented stories of Nightmare and Casper's other ghostly pals, many of them reprints from Casper's own series. It would eventually become Casper and Nightmare (1965), its title into the 1970s. Nightmare and Casper set out to do good deeds, but their mere presence is enough to scare people away. 68 pages, full color. Cover price $0.25.

One of the many Casper spin-off titles, this one featuring his adventures with Nightmare, the ghost horse. Spooky gets insecure about his relationship with Pearl when he sees her reading cowboy stories. Nightmare and Casper investigate after a house disappears, and find themselves on a strange planet far from home. Spooky the Tuff Little Ghost; Spirit of the Old West; Wendy the Good Little Witch; A Fine Feathered Friend; The Ghostly Trio; The Badmen; Pedi-Greedy; Spooky: The Fickle Phantom; The Missing House; The Strange Planet; Home Sweet Home; The Heroes; Spooky: The Ghost Is Clear. 68 pages, full color. Cover price $0.25.

One of the many Casper spin-off titles, this one featuring his adventures with Nightmare, the ghost horse. When Casper and Nightmare meet a scientist who's studying the Man in the Moon, they offer to take him to meet the Man directly, in a three-part cosmic adventure. Spooky goes to sea and joins the crew of a parrot sea captain. Sinister wizard Ali BooBoo enchants Nightmare and takes him away to his palace in the clouds. Casper and Wendy follow them to the palace in hopes of restoring Nightmare to normal, in a three-part story. The Professors Problem; The Wild Boo Yonder; Proof Positive; Spooky: Ship Ahoy; The Flying Horse; The High Landers; Tall Tale; Spooky: Time Marches On. 68 pages, full color. Cover price $0.25.

One of the many Casper spin-off titles, this one featuring his adventures with Nightmare, the ghost horse. After seeing Shetland ponies, Casper travels to Scotland, where he meets the ghost horse Nightmare, in a reprint of Nightmare's first appearance. Casper and Nightmare visit a ghost town, where they meet Two Gun Gus. Then Spooky rides Nightmare to the moon and back. Casper goes to Giant Land and tries to resolve a giant conflict before it can spill over into normal-sized land. Horse Laughs; The Ghosts Go West; The Spaceman; Baby Huey: The Baby Duck-tor; Giant Land; Trouble Ahead; Solving a Big Problem; Spooky Proves a Friend. 68 pages, full color. Cover price $0.25.

One of the many Casper spin-off titles, this one featuring his adventures with Nightmare, the ghost horse. The Ghostly Trio wants to keep Casper and Nightmare from joining a club of friendly ghosts, and they'll stop at nothing, including Nightmare-napping. The Ghostly Trio gives Casper Mean Pills to change his gentle attitude, but they succeed only too well. Ghost Riders; The Horses Tale; Pilgrims Pal; Wendy: Captain Fearless; The Strange Cloud; The Ghostly Protector; Horses Are Out of Date; The Sick Spook. Final issue under this title; series continues as Casper and Nightmare (1965) #6. 68 pages, full color. Cover price $0.25.