In ancient Greece, a young musician makes exciting discoveries. The boy Pythagoras, brimming with curiosity, steps up to help when his friend Octavius might be unable to compete in an upcoming musical contest. The problem is an awful noise coming from Octavius’s new pipes. With a stylus, clay tablet, measuring cord and his sharp wits, mathematician-to-be Pythagoras figures out the relationship between pipe length and resultant sound and helps fashion a perfectly pitched set of pipes for Octavius. The lyres of his friends Amara and Reyna provide a more difficult challenge, one that Pythagoras solves (in a race against the clock) with scales and tiny rocks. He does it so successfully that he and his friends form Pythagoras and the Ratios...the first rock group! The book’s educational aspects are fascinating—both the text and the acrylic-and–colored-pencil illustrations bring these to life—but it’s flat-footed on the story’s narrative aspects, both visually and textually. Helpful addenda provide interesting information on Pythagoras and the application of his ratios to music. (Picture book. 7-10)
Pub Date: Feb. 1, 2010
ISBN: 978-1-57091-775-2
Page Count: 32
Publisher: Charlesbridge
Review Posted Online: May 19, 2010
Kirkus Reviews Issue: Dec. 1, 2009
It’s hard to argue with success, but guides that actually do the math will be more useful to budding capitalists.
How to raise money for a coveted poster: put your friends to work!
John, founder of the FUBU fashion line and a Shark Tank venture capitalist, offers a self-referential blueprint for financial success. Having only half of the $10 he needs for a Minka J poster, Daymond forks over $1 to buy a plain T-shirt, paints a picture of the pop star on it, sells it for $5, and uses all of his cash to buy nine more shirts. Then he recruits three friends to decorate them with his design and help sell them for an unspecified amount (from a conveniently free and empty street-fair booth) until they’re gone. The enterprising entrepreneur reimburses himself for the shirts and splits the remaining proceeds, which leaves him with enough for that poster as well as a “brand-new business book,” while his friends express other fiscal strategies: saving their share, spending it all on new art supplies, or donating part and buying a (math) book with the rest. (In a closing summation, the author also suggests investing in stocks, bonds, or cryptocurrency.) Though Miles cranks up the visual energy in her sparsely detailed illustrations by incorporating bright colors and lots of greenbacks, the actual advice feels a bit vague. Daymond is Black; most of the cast are people of color. (This book was reviewed digitally.)
It’s hard to argue with success, but guides that actually do the math will be more useful to budding capitalists. (Picture book. 7-9)Pub Date: March 21, 2023
ISBN: 978-0-593-56727-2
Page Count: 40
Publisher: Random House
Review Posted Online: Dec. 13, 2022
Kirkus Reviews Issue: Jan. 1, 2023
A welcome, well-researched reflection of cultural pride in the early-reader landscape.
The fourth installment in Delacre’s early-reader series centers on the rich musical traditions of Puerto Rico, once again featuring sibling tree frogs Rafi and Rosi Coquí.
Readers learn along with Rafi and Rosi as they explore bomba, plena, and salsa in three chapters. A glossary at the beginning sets readers up well to understand the Spanish vocabulary, including accurate phoneticization for non-Spanish speakers. The stories focus on Rafi and Rosi’s relationship within a musical context. For example, in one chapter Rafi finds out that he attracts a larger audience playing his homemade güiro with Rosi’s help even though he initially excluded her: “Big brothers only.” Even when he makes mistakes, as the older brother, Rafi consoles Rosi when she is embarrassed or angry at him. In each instance, their shared joy for music and dance ultimately shines through any upsets—a valuable reflection of unity. Informational backmatter and author’s sources are extensive. Undoubtedly these will help teachers, librarians, and parents to develop Puerto Rican cultural programs, curriculum, or home activities to extend young readers’ learning. The inclusion of instructions to make one’s own homemade güiro is a thoughtful addition. The Spanish translation, also by Delacre and published simultaneously, will require a more advanced reader than the English one to recognize and comprehend contractions (“pa’bajo-pa-pa’rriba”) and relatively sophisticated vocabulary.
A welcome, well-researched reflection of cultural pride in the early-reader landscape. (Early reader. 7-9)Pub Date: Sept. 17, 2019
ISBN: 978-0-89239-429-6
Page Count: 64
Publisher: Children's Book Press
Review Posted Online: July 27, 2019
Kirkus Reviews Issue: Aug. 15, 2019
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