Who Really Killed Cock Robin? an Ecological Mystery

Harper Collins. 1991. Second Edition; First Printing. Hardcover. 0060219807 . Hardback second edition. ISBN 0060219807. HarperCollins, copyright 1971, 1991, stated: New Edition, complete number line, hardback. Fine in Fine dust jacket with price intact. 160 pages, unmarked. ISBN 0060219807. THE FICTION MYSTERY CHILDREN ECOLOGY ENVIRONMENTAL PROTECTION; A2942 U1U; 8vo 8" - 9" tall; 160 pages… Read more about this item

New York: E.P. Dutton & Company, Inc., 1971 Book. Very Good +. Hardcover. INSCRIBED & SIGNED BY AUTHOR. Stated First Edition. A very nice copy inscribed & signed by author on flyleaf..

E. P. Dutton. Good+ in Good+ dust jacket. 1971. Book Club Edition. Hardcover. 0525427007 . Ex-Library; 14 oz.; 149 pages; Good+ HC w/DJ BCE Ex library feels unread library markings. Two ecology-conscious children try to trace the imbalances in the environment that might have caused the death of the town's best-known robin. .

Dutton, New York, January 1971. Paper Back. Good.