The Easy-to-Read San Bernardino County Thomas Guide® provides the same map coverage and content you"ve grown to love, just 20% larger! The maps are easier to read and still include contiguous street-level detail of the area, all at the same price, too. •Easy-to-read large-scale maps with consistent scale from page to page •Portrait layout with lay-flat spiral binding •ZIP codes, county boundaries and transit information •Full coverage of all cities and communities. •Complete street index •Fully indexed points of interest •Easy-to-use Page & Grid System •Township tier, range, and section numbers