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THE POWER OF UN

Etchemendy (Crystal City, not reviewed) mixes quick action and long thoughts in this tale of a lad who discovers that changing the past is a tricky business. When a gimpy old man, smelling of ozone, pops up from nowhere and hands him a palm-sized time machine, Gib Finney is understandably dazzled by the possibilities. But his excitement changes to anguish when he loops back in time to prevent first his little sister, then her sitter, from being run down by a truck, and learns that there’s a momentum to events that is hard to divert. Gib’s increasing desperation, as he tries to figure out how to head off what he knows is about to happen, injects suspense into the story, and his misadventures with the “unner” prompt insights into how minor incidents or casual choices often have far-reaching, unpredictable consequences. In the end, he does manage to keep anyone else from being hurt, at the cost of having his own leg crushed (readers will have twigged to the mysterious old man’s identity long before this) and the “unner” suffers the same fate. This hangs together better than William Sleator’s similarly premised Rewind (1999), but readers who assume from the cover illustration that it's a comedy are in for a shock. (Fiction. 10-13)

Pub Date: May 1, 2000

ISBN: 0-8126-2850-0

Page Count: 160

Publisher: N/A

Review Posted Online: May 19, 2010

Kirkus Reviews Issue: May 1, 2000

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THE SCHOOL FOR GOOD AND EVIL

From the School for Good and Evil series , Vol. 1

Rich and strange (and kitted out with an eye-catching cover), but stronger in the set pieces than the internal logic.

Chainani works an elaborate sea change akin to Gregory Maguire’s Wicked (1995), though he leaves the waters muddied.

Every four years, two children, one regarded as particularly nice and the other particularly nasty, are snatched from the village of Gavaldon by the shadowy School Master to attend the divided titular school. Those who survive to graduate become major or minor characters in fairy tales. When it happens to sweet, Disney princess–like Sophie and  her friend Agatha, plain of features, sour of disposition and low of self-esteem, they are both horrified to discover that they’ve been dropped not where they expect but at Evil and at Good respectively. Gradually—too gradually, as the author strings out hundreds of pages of Hogwarts-style pranks, classroom mishaps and competitions both academic and romantic—it becomes clear that the placement wasn’t a mistake at all. Growing into their true natures amid revelations and marked physical changes, the two spark escalating rivalry between the wings of the school. This leads up to a vicious climactic fight that sees Good and Evil repeatedly switching sides. At this point, readers are likely to feel suddenly left behind, as, thanks to summary deus ex machina resolutions, everything turns out swell(ish).

Rich and strange (and kitted out with an eye-catching cover), but stronger in the set pieces than the internal logic. (Fantasy. 11-13)

Pub Date: May 14, 2013

ISBN: 978-0-06-210489-2

Page Count: 496

Publisher: Harper/HarperCollins

Review Posted Online: Feb. 12, 2013

Kirkus Reviews Issue: April 15, 2013

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TIME FOR A CHANGE

From the Rhythm of Time series , Vol. 2

A smart sequel that’s filled with surprises and heart.

In this follow-up to The Rhythm of Time (2023), young time-traveling adventurers face their biggest challenge yet, forcing them to question themselves and one another.

Rahim looks forward to starting eighth grade with best friend Kasia even though he anticipates a tough transition after homeschooling. Kasia makes friends as seamlessly as she makes the cool beats that Rahim skillfully raps over. Although Rahim, who’s a target for bullies, feels a bit left behind, the duo still has their music and a rather unusual extracurricular: on-demand time-travel adventures at the behest of their future selves and the mysterious Aevum Organization. Rahim’s parents place a lot of pressure on him and dismiss his hip-hop dreams as impractical. Adult Rahim and Adult Kasia present the pair with a mission to 1978 Honolulu, where temporal anomalies have been detected. They’ll be facing Chrononauts, time travelers who are trying to change the world to suit their own selfish ends. This entry markedly raises the stakes in ways that challenge even Kasia’s genius. Rahim’s intuition and emotional development are thoughtfully plotted as the kids leave their parents in the dark and take big risks. This nuanced story centering on Black middle schoolers explores trust and care, putting friendship to the test even as the Hawaiian setting offers a provocative allegory for being thoughtful about our global (and interdimensional) impact. Final art not seen.

A smart sequel that’s filled with surprises and heart. (Science fiction. 10-13)

Pub Date: Feb. 17, 2026

ISBN: 9780374393175

Page Count: 304

Publisher: Farrar, Straus and Giroux

Review Posted Online: Nov. 8, 2025

Kirkus Reviews Issue: Dec. 15, 2025

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