D L Valentine: 3 books

Mirrored Affections is deeply insightful and thought provoking. Yet the author gives points of humorous twist, on Gods lessons on life. Its as if someone handed you a front row seat to Gods wisdom and knowledge. You will walk away with a new enlightenment to Gods compassion, on helping us to solve our deepest inner emotions.

Aerodynamics for Engineering Students, Seventh Edition, is one of the world’s leading course texts on aerodynamics. It provides concise explanations of basic concepts, combined with an excellent introduction to aerodynamic theory. This updated edition has been revised with improved pedagogy and...

Plant health covers topics such as the safe handling and movement of germplasm and seed, as well as the range of biotic threats faced by crops and the ways they can be managed to optimise yields and ensure safety and quality in crop production. These threats include viral, bacterial and fungal diseases...