The first printing of Zoo Animals has no letter code. Later editions have a letter on page 160. © Copyright 1967 by Western Publishing Company, Inc. Designed and produced by Artists and Writers Press, Inc. Printed in the U.S.A. by Western Printing and Lithographing Company. Published by Golden Press, New York, N.Y. Cover price is $1.00. Number on the spine is 24019. Listed as a Golden Nature Guide.
This title also exists in a large (5 ¼ by 7 ¾ inch) hardcover. The number on the back cover is 63538.
The next two books shown are the German version of Zoo Animals titled Zootiere. Number 17 in the series. (although the red bordered version has no number) Information for numbered edition: © 1967 by Western Publishing Company, Inc. © 1970 Delphin Verlag, Stuttgart und Zürich, 1978. Printed in Italy by O.G.A. Mondadori, Verona. The contents are the same as the Golden Press edition, except of course the text is in German. The cover art on the numbered edition has been changed slightly. Some of the animals have been moved. This copy is a third printing: 3. Auflage 1973. Information for the unnumbered edition: © 1967 by Western Publishing Company, Inc. © 1970 Delphin Verlag, GmbH, München und Zürich, 1980. Printed in Italy by New Interlithio, Trezzano. No printing code can be found. But the ISBN number is 3-7735-2717-9.
The next book shown is the British version of Zoo Animals. Published by the Hamlyn Publishing Group Ltd. © 1967 by Western Publishing Company Inc. The contents are the same as the Golden Press edition. The cover art is very similar to the red bordered version of the German Zootiere. The sloth in the upper right corner is the same. Printed by Arnoldo Mondadori Editore, Verona. Image shown is a hardcover. This book probably exists in a softcover as well.
Up next is the French version titled Animaux du Zoo. Number 141 in the series. © 1967 By Western Publishing Company, Inc. All rights reserved. Publié par les Editions des Deux Coqs d'Or, Paris 1968.
The next book shown is the Spanish version of Zoo Animals titled Animales del zoo. © Copyright 1971 by Western Publishing International, Ginbra, y por licencia para la lengua española, 1976, por Editiones Daimon, Manuel Tamayo, Barcelona Spain. 1972.
The last book shown is the Dutch version of Zoo Animals titled De dierentuin. © 1967 by Western Publishing Inc., U.S.A. D-1968 0001-97. Zuid-Nederlandse Uitgeverij, Antwerpen Centrale Uitgeverij, Harderwijk. From the Natuurgids series.
No revised edition or American cover variant exists. Out of print.