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Summary
In Book Two of the Discovery Chronicles, an early chapter book series from writer Loree Griffin Burns, illustrator Jamie Green, and MITKids/Candlewick Press, readers meet Peter and Rosemary Grant, married biologists who spent forty years studying the finches of Daphne Major, a small and hard-to-reach uninhabited island off the coast of South America. Their meticulous approach to understanding these birds is the stuff of legends—capturing hundreds of birds twice each year, precisely measuring their beaks, wings, and bodies, banding them, and recording all of it. As their data on the finches expands, so does their understanding of how the finches came to be … and how, in turn, we ourselves came to be.
- MITKids/Candlewick Press, 2026
- 64 pages
- For ages 7-10
Reviews
Kirkus Reviews, November 23, 2025
An accessible primer on evolution in action and the scientific method’s nitty-gritty realities.
This well-written, detailed chronicle follows married biologists Peter and Rosemary Grant through 40 years of meticulous fieldwork on the Galápagos island of Daphne, tracking how finch beaks evolved in response to environmental changes. Burns excels at demystifying the scientific process—readers learn how leg bands identify individual birds, why seeds on the island must be counted and categorized, and how tiny beak measurements accumulate into patterns and proof of natural selection. The conversational tone keeps potentially dry material engaging, and the book doesn’t shy from the tedium inherent in groundbreaking research: endless data collection, repetitive observations, uncomfortable conditions. The level of procedural detail, while impressive for demonstrating methodology, may test the patience of casual readers seeking a breezier science narrative. Still, this honest portrayal makes the book particularly valuable for classroom use, showing students that real science involves patience and persistence alongside brilliance. The backmatter and resources enhance the work’s educational utility. The monochromatic blue illustrations, however, while serviceable and lovely, feel like a missed opportunity; full-color images would have better captured the islands’ stark beauty and the finches’ subtle variations.
A solid, practical teaching tool that will interest dedicated young scientists. (glossary, further reading and websites, notes, bibliography) (Nonfiction. 8-11)
Bulletin of the Center for Children’s Books, January 2026
With steep terrain, rocky shores, and minimal tree cover, the island of Daphne Major in the Galápagos chain is hardly a vacation destination. But for scientists Rosemary and Peter Grant, it’s where they have gone for over forty years, spending months-long research stints on the island. Their studies centered on the only types of finch species found on Daphne, the medium ground finch and the common cactus finch; by tagging, measuring, and collecting blood samples, the Grants and their crew (which eventually included their daughters) quantified a mountain of data about the birds. This early-middle grade nature study is packed with information without being overwhelming, and the narrative proceeds logically, with a cheerful, inviting tone and language that gives vivid immediacy to the setting. (For example, Rosemary knows she has successfully jumped off the boat to shore when “she’s gripped that tiny, barnacle-encrusted landing place with sandals and hands.”) The specific focus offers a tangible, clear look at a fascinating ongoing natural process that is too often stripped of excitement when presented in stuffy science textbooks. Especially interesting were the changes the Grants recorded over time, particularly after a severe drought killed off much of the island’s plant life, leaving mostly hard, dry seeds as the primary food for the finches. Many of the surviving finches had larger-than-average beaks that had helped crack those shells, a trait that then became magnified in the next few generations, a picture of evolution in progress. Spot art and half-page illustrations in blue hues break up the text while ample white space and short chapters make this easily accessible to budding scientists, especially ornithologists not yet ready for Hoose’s Moonbird (BCCB 9/12). An author’s note, glossary, and further reading are included in the backmatter. ~Kate Quealy-Gainer
School Library Journal, February 2026
Gr 4-6–The intriguing situation of a long science career spent watching birds in an extremely unlikely location is this title’s basis for explaining the processes of natural selection and evolution. The Galápagos island of Daphne lies inside the top of a volcano rising in the Pacific Ocean near the equator, and it’s there that scientists Rosemary and Peter Grant and students arrive in a small boat to study the wildlife. Short chapters recount the bodies and lives of two species of finches found only on Daphne. Every bird, including newborn fledglings, is caught in a mist net, measured, weighed, and tagged with a leg band. A disastrous drought in 1977, which killed many finches, food plants, and other animals, shifted the focus to finch survival, and from there, the text turns to the larger realm of science to explain natural selection and the function of DNA as creators of evolution. Green’s sketches in inky blue tones and black give readers quick impressions of the volcano rising from the sea, scientists at work, and the finches. This broadly sketched story is a streamlined overview of the island research that began in 1972 and continued through 2012, and some readers may wish for more story about scientists living inside the volcano. An included science lesson urges readers to conduct careful study of birds in their own backyards. Generous end materials include a glossary, web resources, and four-part bibliography: birdwatching, backyard close observation, volcanoes, and Galápagos.
VERDICT With some guidance and encouragement, this offers strong potential for sparking questions, discussion, and deeper classroom inquiry. Put this in the hands of science teachers.