Ada Lovelace is a brilliant inventor in a steampunk world where technology has progressed to a Victorian level. After her parents are killed in a steam carriage accident, she is taken in by her uncle who runs a powerful steam engine company. Despite her uncle's attempts to stop her, Ada Lovelace becomes the most famous inventor in the world with the help of her friends.
Nine-year-old Timmy is thrilled to go on a cross-country train trip with his parents. He keeps a journal of his adventures, making new friends and learning about the history of trains. Timmy discovers that his passion for trains is shared by his parents, and that this trip is the beginning of a lifelong love of rail travel.
Liza is bored at her grandparents' farm during the day, but at night she discovers a whole new world. She meets the barn animals, who come alive and talk to her after everyone else is asleep. Liza loves spending time with her new friends, and together they have all kinds of adventures. But when her parents come back, will Liza be able to keep the magic of the night alive?
Lena is a young woman who can travel through time. She meets Ethan, who can also travel through time, and the two of them fall in love. Together, they use their powers to help people in need and make the world a better place.
The story is set in the future, where the government has found a way to control the population by implanting a chip in their brains. The main character, John, is a factory worker who starts to rebel against the government and the factory when he begins to suspect that the chip is controlling him. He starts a revolution to free the people from the chip's control.
Shannon is reluctant to move away from her childhood home and friends, but her perspective changes when she's told she can bring one thing from her old home. She chooses to save a caterpillar she finds in her backyard, naming it Butterfly. Shannon watches it transform into a beautiful Monarch butterfly and finds comfort in knowing that Butterfly will always be with her.
Eva travels to Austria to learn about her family's heritage. She has many adventures and sees some amazing sights, but also finds herself in some dangerous situations. Eva has to use her wits and her courage to make it back home safely.
Nina, an average eleven year old, discovers she has the ability to see monsters that no one else can see. She soon learns that these monsters are real and that they are after her . With the help of her friends, Nina must find a way to stop the monsters before they get to her.