Charles W Heckman: 4 books

Superbly written, this is an account by a participant in the airlift that supplied the blockaded capital of the Khmer Republic and several provincial capitals with food and other necessities of life during the last year of the United States’ direct involvement in the Indochina War. Civilian pilots...

This work was begun to provide keys to the aquatic insect species known from Brazil. The original goal was to include all genera known from South America and all species from Brazil, but for most groups, the scope was expanded to encompass all species in South America, and, in some cases, to include...

This order once encompassed all insects with a complex network of wing veins, regardless of whether their metamorphosis was incomplete or complete.  By the early 20th century, most of the species had been transferred to new orders, leaving only a small percentage of the insects once assigned to the...

This book recounts the habits of many interesting and unusual exceptions to the rule that insects are typically terrestrial forms of life. It examines the different ways that groups of species have developed modes of existence in or on the surface of water, and gives reasons why the gross morphology...