The book explains how to compose and solve two-movers. History, old masters, problem types, definitions, explanation of terms, difficulty of solution, etc., with dozens of examples. Name index. Benjamin Glover Laws, 1861-1931, was one of the best British composers. In 1918, he was elected the first president of The British Chess Problem Society. Reprint based on the 1890 edition, updated and edited by Carsten Hansen. The old descriptive notation has been converted to today's algebraic notation. 2 pictures.