Elliot Eisner isn't exactly excited about starting at a brand-new school in a brand-new town; he'd much rather stay at home and read a book. But things take an unexpected turn when he finds out his weird new teacher, Professor Fauna, has planned a field trip for Elliot's very first day. Along with a new friend—brave, outspoken Uchenna Devereaux—Elliot gets caught up in a secret group of adventurers, The Unicorn Rescue Society, whose goal is to protect and defend the world's mythical creatures. Together with Professor Fauna, Elliot and Uchenna must help rescue a Jersey Devil from a duo of conniving, greedy billionaires, the Schmoke Brothers.

Across the vast, blue ocean, in the mountains of the Basque Country, a fearsome creature has gone missing. And the Unicorn Rescue Society are the only ones who can save it.

Elliot and Uchenna—and Jersey!—have barely recovered from their first adventure with Professor Fauna when he approaches them with an all-new quest. Except this time they’re going to have to cross an ocean. In the mountains of the Basque Country, the Unicorn Rescue Society must track down a missing dragon. But how could someone even kidnap a dragon? And for what evil purpose? And is their newest, fire-breathing rescue more than they can handle?

Among the towering fir trees of the Pacific Northwest, a famously elusive creature is in serious trouble. All Elliot wants is a nice, normal day at school. All Uchenna wants is an adventure. Guess whose wish comes true? Professor Fauna whisks the kids—and Jersey, of course—off to the Muckleshoot territory in Washington, where film crews have suddenly descended en masse to expose Bigfoot to the world, and the Schmoke logging company is bringing in some awfully large machinery. . . . Can the Unicorn Rescue Society escape the blades of the Schmokes’ chain saws? Outsmart a cable news team? And are those big, hairy creatures running through the forest really Bigfoot?

Pura Belpré Honor-winning author David Bowles joins Newbery Honor-winning Adam Gidwitz as co-author of the newest Unicorn Rescue Society adventure, as the kids travel to the U.S.-Mexican border to help the legendary chupacabras.

Elliot and Uchenna have only just returned from their most recent Unicorn Rescue Society mission when Professor Fauna whisks them away (Jersey, too!), on their next exciting adventure. This time, they’re headed to Laredo, on the U.S.-Mexican border to help another mythical creature in need: the chupacabras.

Teaming up with local kids Lupita and Mateo Cervantes–plus their brilliant mother, Dr. Alejandra Cervantes and her curandero husband Israel–the kids struggle to not only keep the chupacabras safe, but also to bring a divided community together once more.

In Cuba, it is believed that a mysterious water serpent–the Madre de aguas–is responsible for providing and protecting the fresh water of the island. But the serpent is missing, and a drought has gripped the island. Uchenna, Elliot, and Professor Fauna fly to Cuba and endeavor to rescue the Madre de aguas. Unfortunately, it tries to kill them. Meanwhile, the Schmoke Brothers’ goons are driving around Havana, dumping pink sludge into the sewers. What is going on? Can Elliot and Uchenna end the drought? Stop the Schmokes? Or will the creature they are trying to save just eat them instead?

When Uchenna and Elliot’s classmate publishes an article in the school newspaper about the Schmoke Brothers, Professor Fauna notices something alarming in a photo. Mounted on the wall of the Schmoke’s living room is a single spiral horn that he’s certain could have come from only one animal—a unicorn! To save these magical creatures—and to finally see a unicorn themselves—the Unicorn Rescue Society heads to the rugged mountains of Pakistan.