Notes: 15th printing of the "New Dell Edition" Notes from Copyright page: "Reprinted by arrangement with Holt Rinehart and Winston, Inc." "New York, N.Y. 10017" "Previous Dell Edition #1149" This is where it gets confusing, as THIS pub is also numbered 1149 on Front Cover. Spine has SBN-like number '440-01149-095'. Also from Copyright page, presumably referring to "New Dell Edition" only (dates abbreviated, the printing numbers are spelt out in full as is the year and month, e.g. "First printing - January 1970"): New Dell edition: Jan, Mar, Apr, May, Jul, Sep, Oct, Nov 1970: Jan, Mar, May, Aug, Oct, Nov 1971: Feb, Apr, May, Jul, Aug, Oct (twice) 1972: Feb.