Sam, Lucy, and Antonio have a new substitute teacher, who happens to be the great-great-grandson of Orson Eerie, the evil scientist whose spirit possesses and infects their elementary school--and the friends are afraid he may be trying to bring Orson back to life.

"Meet Jack and Max Stalwart, Code Names: Courage and Wisdom. Jack and Max are ordinary kids who become secret agents by night, thwarting evil and saving priceless treasures as they solve mysteries around the world. Destination: Brazil. Secret agents Jack and Max Stalwart are sent to the Amazon jungle to investigate the disappearance of an important Global Protection Force scientist. Soon, they discover that the scientist's disappearance is no accident....

In her first week in fourth grade (exiled to a new school because of redistricting) Curious decides that she wants to be a scientist, and her first task is to sharpen her powers of observation by observing her large family, three older sisters and three younger brothers--and try and become effectively invisible in her new class.

Dr. Clock invents a time machine, but his trip back to the era of the dinosaurs does not turn out as he had expected.

"Inspired by real-life makers Ada Lovelace and Marie Curie, this beloved #1 bestseller champions STEM, girl power and women scientists in a rollicking celebration of curiosity, the power [of] perseverance, and the importance of asking "Why?"...Ada Twist's head is full of questions. Like her classmates Iggy and Rosie - stars of their own New York Times bestselling picture books Iggy Peck, Architect and Rosie Revere, Engineer - Ada has always been endlessly...

Don't pass up the opportunity to learn about the Hulk and his tragic beginnings in The Incredible Hulk. When brilliant scientist Bruce Banner is exposed to gamma radiation, he is transformed by his anger into a giant, green monster with incredible strength! Bruce must convince the military that he isn't a threat.

"Eerie Elementary is planning a big Halloween-type celebration for Eerie Day, including hosting a "haunted house" at the school itself; but the spirit of the evil scientist Orson Eerie sees this as the chance to finally triumph over the intrepid hall monitors, Sam, Lucy, and Antonio--and it is up to them to prevent a catastrophe and perhaps even defeat Orson and banish him from the school forever"--Title verso page.

Eerie Elementary seems to be falling down around the students and teachers, so Principal Winik decides the school must be torn down, but Sam, Lucy, and Antonio suspect that somehow this is all part of Orson Eerie's evil plan to live forever--and if it is they must find a way to prevent the demolition.

Riley helps save a pod of dolphins that become trapped in a lagoon in Tahiti.

Dr. Morley and her team arrive in the Arctic Circle, where they encounter such wonders as playful orcas, the glowing aurora borealis, and formidable ice shelves while searching for the giant Arctic jellyfish, a legendary creature no one has ever seen.