Here is a collection of wonderfully weird illustrations by Gōjin Ishihara, whose work graced the pages of numerous kids' books in the 1970s. The first 16 images below appeared in the "Illustrated Book of Japanese Monsters" (1972), which profiled supernatural creatures from Japanese legend. The other illustrations appeared in various educational and entertainment-oriented publications for children.

Illustration by Gōjin Ishihara --
- Kappa (river imp), Illustrated Book of Japanese Monsters, 1972

Illustration by Gojin Ishihara --
- Jorōgumo (lit. "whore spider"), Illustrated Book of Japanese Monsters, 1972

Illustration by Gōjin Ishihara --
- Kubire-oni (strangler demon), Illustrated Book of Japanese Monsters, 1972

Illustration by Goujin Ishihara --
- Rokurokubi (long-necked woman), Illustrated Book of Japanese Monsters, 1972

Illustration by Goujin Ishihara --
- Onmoraki (bird demon), Illustrated Book of Japanese Monsters, 1972

Illustration by Gojin Ishihara --
- Nekomata (cat monster), Illustrated Book of Japanese Monsters, 1972

Illustration by Gōjin Ishihara --
- Tengu (bird-like demon), Illustrated Book of Japanese Monsters, 1972

Illustration by Gojin Ishihara --
- Tenjō-sagari (ceiling dweller), Illustrated Book of Japanese Monsters, 1972

Illustration by Gojin Ishihara --
- Enma Dai-Ō (King of Hell), Illustrated Book of Japanese Monsters, 1972

Illustration by Gojin Ishihara --
- Kyūbi no kitsune (nine-tailed fox), Illustrated Book of Japanese Monsters, 1972

Illustration by Gojin Ishihara --
- Baku (dream-eating chimera), Illustrated Book of Japanese Monsters, 1972

Illustration by Gojin Ishihara --
- Yūrei (ghost), Illustrated Book of Japanese Monsters, 1972

Illustration by Gōjin Ishihara --
- Yamasei (mountain sprite), Illustrated Book of Japanese Monsters, 1972

Illustration by Goujin Ishihara --
- Rashōmon no oni (ogre of Rashōmon Gate), Illustrated Book of Japanese Monsters, 1972

Illustration by Gojin Ishihara --
- Waira (mountain-dwelling chimera), Illustrated Book of Japanese Monsters, 1972

Illustration by Gojin Ishihara --
- Nure-onna (snake woman), Illustrated Book of Japanese Monsters, 1972

Illustration by Gojin Ishihara --
- Hell of Repetition (Illustrated Book of Hell, 1975)

Illustration by Gojin Ishihara --
- Burning Hell (Illustrated Book of Hell, 1975)

Illustration by Gōjin Ishihara --
- Demons of the Orient (The Complete Book of Demons, 1974)

Illustration by Gojin Ishihara --
- The appearance of Satan (The Complete Book of Demons, 1974)

Illustration by Gojin Ishihara --
- Gorgon (Illustrated Book of World Monsters, 1973)

Illustration by Gojin Ishihara --
- Aliens in ancient Japan (Mysteries of the World, 1970)

Illustration by Goujin Ishihara --
- Alien (Mysteries of the World, 1970)

Illustration by Gojin Ishihara --
- Emergency Command 10-4 10-10 (sonosheet book, 1972)

Illustration by Gōjin Ishihara --
- Emergency Command 10-4 10-10 (sonosheet book, 1972)

Illustration by Gojin Ishihara --
- Kaiketsu Lion-Maru (sonosheet book, 1972)

Illustration by Gojin Ishihara --
- Kaiketsu Lion-Maru (sonosheet book, 1972)

Illustration by Gojin Ishihara --
- Prehistoric man as modern-day baseball player (Prehistoric Man, 1970)

Illustration by Gojin Ishihara --
- Prehistoric man as modern-day wrestler (Prehistoric Man, 1970)

Illustration by Gojin Ishihara --
- Prehistoric man as modern-day security guard (Prehistoric Man, 1970)

Illustration by Gōjin Ishihara --
- The secretary who spied for 18 years (from Spy Wars)

Illustration by Gojin Ishihara --
- World's biggest glutton (World's Greatest Wonders, 1971)

Illustration by Gojin Ishihara --
- Precognition of plane crash (Mysteries of the Body, 1973)

Illustration by Gojin Ishihara --
- Nostradamus (Psychics of the World, 1974)

Illustration by Goujin Ishihara --
- Frozen planet (Year X: End of the World, 1975)

Illustration by Gōjin Ishihara --
Dark star gravity (Year X: End of the World, 1975)

[Link: Gōjin Fechi]