Fire. Ice. Flood. Three climate disasters. Four kids fighting for their lives. Akira is riding her horse in the California woods when a wildfire sparks—and grows scarily fast. How can she make it to safety when there are flames everywhere?  

My name's Darius James―but everyone calls me DJ. At my old school, I was the go-to guy for all kinds of tricky problems that needed creative solutions. But at my new school, Ella Fitzgerald Middle, I'm just trying to blend in. Well, I was, anyway, until my best friend, Conor, got himself transferred to the Fitz too. Now Conor owes 100,000 arcade tickets to the biggest bully around―and he only has two weeks to make it happen. Impossible? Not with my head in the game.

It all starts with a note folded into the shape of an origami octopus: "Hi, Me. Yes, you. You're me, and I'm you." If you believe this and the other origami notes that follow - which middle-schooler Meade Macon absolutely, positively does not - the concept of parallel dimensions is true, and there is a convention full of alternate versions of Meade waiting for his RSVP. 

Twelve-year-old Lola Benko has learned a lot from her archaeologist dad. They've spent most of her life chasing elusive artifacts and lost treasures. There are downsides—but every day is an adventure. And they have each other. That is, until the day Lola's father disappears. The official line is that he was caught in a flash flood, but Lola's quick research shows the day in question was perfectly pleasant. And if he were truly gone, she would feel it.

Twelve-year-old Jolene spends every day she can at the library watching her favorite livestream: The Desert Aviator, where twelve-year-old “Addie Earhart” shares her adventures flying an ultralight plane over the desert. Then, one day, it all goes wrong: Addie's engine abruptly stops, and Jolene watches in helpless horror as the ultralight plummets to the ground and the video goes dark. Jolene knows that Addie won’t survive long in the extreme summer desert heat.