The Clarinet Sonata in Outline by Norman M. Heim. Van Cott Information Services, Inc., 2005, SB, 79 pages. A new edition of this book originally published in 1995. The clarinet sonatas of nearly 250 composers are described in a detailed outline format. This edition has been completely reset in an easy to read typeface and includes quite a bit of additional information on 20th century composers.