PLUMBING PAL reference book by Paul Rosenberg from the PAL Series of informational booksPlumbing Pal is the tenth volume in the Pal series of trade pocket reference books and covers everything you need to calculate water demand, find installation requirements, size pipes, size pumps, design drainage systems and much more. Plus troubleshooting guides, charts, tables and graphs to help get the job done right the first time. We ship BEST WAY: Fed Ex Ground, UPS Ground, or Priority Mail, Sellers Choice. We do this in order to keep offering you great products and be able to offer “free shipping”. Our “free shipping” is for the lower 48 US states only. If you live outside the lower 48 US states, please contact us for estimated shipping charges prior to buying.