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(2)
4-6
"Humankind's best friend" has been relatively understudied in scientific circles, but recent developments have led to increased dog research across a variety of fields and disciplines. Discoveries help us understand how dogs evolved from wolves and how those dogs also helped us evolve into humans (a.k.a. coevolution). The author's passion and curiosity is evident throughout. Full-color photographs and sidebars are interspersed. Websites. Bib., glos., ind.
Reviewer: Jonathan Hunt
| Horn Book Magazine Issue:
January, 2017
252 pp.
| Houghton
| April, 2015
|
TradeISBN 978-0-544-17566-2$18.99
(3)
YA
Frydenborg explores chocolate's complex history, from the cacao tree's probable origins to today's Big Candy, without sugarcoating the sweet's "dark secrets." The book closes by covering modern-day attempts to make chocolate production more sustainable and ethical. Informative sidebars, photos and maps, and historical recipes interspersed throughout, plus a full-color photographic insert, enhance the presentation. Timeline, websites. Bib., ind.
80 pp.
| Houghton
| November, 2012
|
TradeISBN 978-0-547-51831-2$18.99
(2)
4-6
Scientists in the Field series.
Researchers are attempting to control the horse population on Assateague Island by determining the sustainable number of horses and then developing a contraceptive vaccine that limits mares to a single foal per lifetime. The information--a combination of lab and field science details and personal observation--is accessible and engaging. Relevant and clear color photographs show both horses and scientists in situ. Reading list, websites. Bib., glos., ind.
Reviewer: Betty Carter
| Horn Book Magazine Issue:
January, 2013
3 reviews
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