Denny is a physicist who has written several science-related books for general audiences... Much of the book is written in a chatty style, often in the first person.
Perhaps the most useful book on ballistics for the layman ever.
(A. A. Nofi StrategyPage
For a scientist, Denny's approach is delightfully down to earth.
Denny's writing is anything but dry and boring. He adeptly explains complex subject matter and does so with relatively simple language and minimal use of symbolic notation.
(Bat Research News