Manual for the design of Hollow Core Slabs. Paperback, excellent condition, $5.00. 2nd edition published in 2007 by Precast Concrete Institute. This book is intended to cover the primary design requirements for hollow core floor and roof systems. My photos show the full table of contents. Please see my other books that I have posted on Craigslist for something that you might like by clicking on "See More Ads By This Seller" link. I'm in Gresham Oregon by Gresham golf course. Text or email ok. Thank you for looking.