BOOK REVIEWS is frequently taken to mean inactivation 1)s nonspecific meant;, is the final topic and includes R, discussion of the secondary and t~rtirtry stmetnre of proteins. A lmef summary of conch~sionsabout enzyme action and an appendix of notes on umrk published while the hook xvas in preparation concludes the hook. For the student who has a knowledge of clementary celculus, this book should lhe understandable with only occasional help, although some experience u i t h thermodynamics and general reaction kinetics would certainly he hdpful. The ariting is clear and to the point and thc material included should be useful to the student and to the more advmmxl norker.
A. TARR DONALD
The College of Woosler Wooster, Ohio An Introduction to the Organic Chemistry of High Polymers
Carl S . Marvel, University of Illinois, Urbana. John \Tiley Rr Sons, Inc., Yew York, 1959. viii 82 pp. Tables. 15.5 X 23.5 cm. $4.50.
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The announced objective for thin splcndid volume is that of "int,cresting young organic chcmists in thc passihilitics inherent in the synthesis of new organic polymers." It. achieves this ohjecbive with rsmarksblr rustmint, clarity, snd dignity; with no sacrifice in acourrtcy or modernity; and with ample specific data likely to challenge and stimulate. This is s, trcmendons achievement and the college professor or industrial chemist, who most of necessity restrict his interests, vill welcome having this volume to give a student who is interested in making an intelligent selection of s. graduate rrsoarch problem or an industrial oareer. The nnsalvrd stntctnml problems arising in dime palym~risationare presented in n challenging discnnsion. The recently developed chromiom-molyhdenum-titanium catalyst types are presented in n section under addition polymerization headed "new ionic systems." The devalopment of thew catalysts is one of the most dramatic chemical events of the last summary which rrpmsents an all timr high of dignifiutl rrstmint,. No neophyte will be high-prcmurrd hy this dise~msion; nor will he likely fail to respond to the speculation 8 s to the mechanism of t,his initiation. The volume consists of cxsmple nftcr example presented in the same rlcar, restrained, dignified stylr; and within its announcod ohieetivrs, it achieves x stature seldom eqrdled in the field of chemistry. Teachers of chemistry a t every lrvel and all industrial chemisk intercstcd in the future of their profession should have this volume available and utilize its potential to the fullest.
RICHARD H. \\'ILEY Departmen1 of Chemi.3t~!, L,rnioersilyof Lortisvillr
A830
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journol of Chemicol Education
