Oscar Lobster's Fair Exchange

From Author Wars - https://authorwars.com/publications/oscar-lobsters-fair-exchange-601691.html

Overview:

Title: Oscar Lobster's Fair Exchange
Author: George Selden
Year: 1966
Publisher: Harper & Row
Price: $3.95
Pages: 172
Binding: Hardcover
Type: Novel
Title Reference: Oscar Lobster's Fair Exchange
Notes:
- 1st ed.
- Price from the earliest items found in 1966 newspapers, both 1966-10-30: • brief review in "Children's Corner" by Ann Logan Hartford Courant p15F • listing as "3.95 $3.79*" in "Harper Books for Boys and Girls" (Fall 1966) Bos. Globe pA43 Second price $3.79 is that of the Harpercrest Library Edition.
- Cover image from Amazon.com 2018-09-05 as "Library Binding – June, 1966" with presumably later ISBN 0060252650; see {{ASIN|0060252650}}.
  
  Multiple dealers at ABEbooks support this front cover as that of the 1966 ed., or apparently identical to it. The publisher's Fall 1966 list undermines a June publication date.