Skeet, Jon C# in depth C-Sharp in depth Jon Skeet ; foreword by Eric Lippert - 4th edition. - Shelter Island, NY : Manning Publications Co., 2019. - xxvii, 497 p. : ill. ; 24 cm Includes index. "Covers C# 6 and 7"--Page 1 of cover. ISBN: 1617294535 9781617294532 LCCN: 2018289878 Subjects--Topical Terms: C# (Computer program language) Dewey Class. No.: 005.133 SK CS