🆕 Pocket Reference Book 4th Ed.

New! Pocket Ref 4th edition. The concise all-purpose pocket-sized reference book featuring abundant information on many subjects, hundreds of tables, maps, formulas, constants and conversions. If you need to know it, it is in this book! Please shop with confidence! I am a 5-star rated Poshmark seller. I am happy to provide measurements upon request. Most items ship within 2 days. All of my items are in excellent new or preowned condition and from a smoke free home. Please refer to all photos as these are part of the description. I am always open to reasonable offers. Thank you for shopping Poshmark!