29 books • 2 series
Machines at Work (Classic Reprint)
Trains at Work (Classic Reprint)
Machines at Work
Volcanoes and Earthquakes
Big Golden Book of Dinosaurs
Dinosaurs
Snakes & Other Reptiles (A Little Simon book)
Dino Mystery Pa
The Macmillan Book of the Human Body
Answer Bk Abt Robt Pa
Answer Bk Computers
Answer Bk Abt Anim Pa
Macmillan Book of Dinosaurs and Other Prehistoric Creatures
Mysterious Seas
Gorilla Mysteries
Q is for Duck
Dinosaur Mysteries
New Answer Book
New Answer Book GB
How Many Legs/Toe GB
Every Child's Book of Why and When
Miss Polly's Animal School (Easy Readers S., No 23)
Every Child's Answer Book
Question and Answer Book (Easy Readers S.)