Books like Dragon Ops by Mari Mancusi

Carter and Sadie Kane must destroy the chaos snake Apophis, but their quest is threatened by a powerful magician who might guide them to their deaths instead.

Two twin brothers and sisters navigate the pressures of perfection at their prestigious high school, as they struggle to balance their academic ambitions with their own unique personalities and desires.

Jack, his sister Annie, and a friendly mouse named Peanut journey from a tree house into the Amazon rainforest, where they confront giant ants, piranhas, crocodiles, and jaguars.

Prue McKeel and Curtis must save their wild world from dark conspirators and unite a fractured country.

Wisty and Whit Allgood, a brother and sister duo, discover a mysterious and magical stranger named Heath, setting them on a new adventure that challenges their relationship and reveals hidden powers.

Two orphan siblings uncover a hidden bedroom in their Victorian home, launching dream adventures that mix Transcendentalist ideas, magic, and mystery as they seek the fate of lost relatives.

"A new hero emerges in a divided world as one of sci-fi's most beloved series--Anne McCaffrey's Dragonriders of Pern--relaunches with this original adventure from Anne's daughter, Gigi McCaffrey. In honor of the fiftieth anniversary of the Dragonriders of Pern series, Gigi does her mother proud, adding to the family tradition of spinning unputdownable tales that recount the adventures of the brave inhabitants of a distant planet who battle the pitiless adversary known as Thread. The last time Thread attacked Pern, the world was unprepared for the fight--until the Oldtimers appeared. These courageous dragonriders arrived from the past, traveling four hundred years to help their descendants survive. But the collision of past and present took its toll. While most of the displaced rescuers adapted to their new reality, others could not abide the jarring change and found themselves in soul-crushing exile, where unhappiness and resentment seethed. Piemur, a journeyman harper, also feels displaced, cast adrift by the loss of his spectacular boyhood voice and uncertain of his future. But when the Masterharper of Pern sees promise in the young man and sends him undercover among the exiled Oldtimers, Piemur senses the looming catastrophe that threatens the balance of power between the Weyrs and Holds of Pern. When the unthinkable happens, Piemur must rise to the challenge to avert disaster and restore honor to the dragons and dragonriders of Pern. Because now, in a world already beset by Thread, another, more insidious danger looms: For the first time in living memory, dragons may be on the verge of fighting dragons"-- "One of the world's most beloved series in sci-fi histoy--Anne McCaffrey's The Dragonriders of Pern--relaunches with an all-new adventure. The world of Pern has for centuries depended on its dragons and their riders to protect it from total annihilation. But when greed and resentment begin to simmer among the working people, and disagreements between dragonriders have already culminated in the exile of an entire clan, the growing tensions threaten to result in the most unthinkable act of all: dragon fighting dragon!"--

When twins Jack and Jaide face a breach to the Evil Dimension in Portland, they must outsmart a rival troubletwister, rescue Grandma X’s sister Lottie from the vortex, and protect their town before darkness closes in.

A young girl is drawn back into the world of her brother and friends as they face danger and unity.