Traces of Guilt - Science fights crime in New Zealand

Collins, Auckland, 1991. Paperback. Book Condition: Very Good. No Jacket. First. 8vo - over 7¾ - 9¾ tall. A very nice copy of this now scarce paperback. 106pp with illustrations.
Book Condition of second copy: Torn at top right of cover. Creasing at bottom right. Fading on spine. Some small marks on the cover.