This listing is for a copy of The Biotic Associations of Cockroaches by Louis M. Roth & Edwin R. Willis. This book is in overall acceptable condition. It is ex-library. It has library markings, stickers, and stamps. The cover is a thin paperback that is worn and wrinkled on the edges. The binding is creased. The pages are in good condition. There are no non-library markings, creasing, or tearing.