This is Ray's HeliTech Shop & Field Companion book. Ray's book, originally entitled "Ray's Complete Helicopter Manual," was initially released in 1986. He was writing the "Hover" column for R/C Modeler magazine, and took a compilation of articles he'd written since 1981 and formed the book. RCM published it as part of their "Anthology" series.
The book went through numerous revisions through the years. There was a second edition of Ray's Complete Helicopter Manual, then a third. In 2001, Ray did an extensive re-write and re-named the book "Ray's Authoritative Helicopter Manual."
He planned to have a new edition of the book in the Spring of 2007, but V7-9 of the DVD Series became the priority. With V7-9 completed, his attention turned to the book, which finally came out in May 2008. At 264 pages, the new book has over 20 more pages of additional content, along with an extensive index. In addition to the time-proven material carried forward from the previous book, the new edition features information on eCCPM, electric helicopters, and the new 2.4 GHz radios.