The Chemical Reactor Omnibook by Octave Levenspiel. Hardcover and published in 1993 by OSU Book Stores, Inc., Corvallis, Oregon. Good condition, $7.00. has previous owners name blacked out on top of first page. Book contains graduate level mathematics, equations and formulas with black and white illustrations for reactor design. My photos show most of the table of contents. Some of this material may be suitable for a first course on reactors, the rest for advanced courses. If you like mathematics then this book is for you. I'm in Gresham Oregon by Gresham golf course. Text or email ok. Thank you for looking.