This textbook is a valuable resource for adults and further education students who are studying building estimation. The 23rd edition of Walker’s Building Estimator’s Reference Book, written by Frank Walker, provides comprehensive information on the subject. The book has 920 pages and is published by Frank R Walker.Com. The book is a trade paperback and is written in English. It covers a general subject area and includes aspects such as Publication Year, Type, Subject Area, Language, Publication Name, Author, and Educational Level. This textbook is perfect for those who are looking for a reliable and comprehensive guide on building estimation.