The intelligence of invertebrate animals, by Maynard Shipley 78604 [Author: Maynard Shipley] [Author: E. Haldeman-Julius] [Link: https://www.gutenberg.org/ebooks/78604] note: link will be active within two hours of posting. Extra info: this book has the series title "Little blue book ; no. 720" Thanks to Tim Miller, Sam Lamb and the Online Distributed Proofreading Team at https://www.pgdp.net Regards, Al