On a science class trip to the aquarium, Catalina "Cat" Duran and her friends discover that two of the seals have been drugged and investigate to discover the person responsible.

When John was ten years old his father brought back a baby orangutan from Indonesia, and Raja quickly becomes John's "brother" and responsibility--so years later, after his parents divorce, and his father has sold Raja to a roadside zoo, John sets out to rescue him and bring him to a sanctuary in Indonesia.

Twelve-year-old Winifred is being fostered by the eccentric but kind Margery Dawson while her mother is dealing with addiction problems, and mostly Fred is determined not to form any attachments to anybody--until the condition of Toby, the abused dog next door, captures first her attention and then her heart, and somehow it becomes increasingly difficult to stay detached from the people who are helping her.

"Walking gthrough the misty Florida woods one morning, twelve-year-old Rob Horton is stunned to encounter a tiger--a real-life, very large tiger--pacing back and forth in a cage. What's more, on the same extraordinary day, he meets Sistine Bailey, a girl who shows her feelings as readily as Rob hides his. As they learn to trust each other, and ultimately, to be friends, Rob and Sistine prove that some things--like memories, and heartache, and tigers--can't...

"A jet-black young colt, Black Beauty, spends his early years in a cozy meadow growing up with a gentle master, a strong mother and an ideal upbringing. Through the years, he changes hands with different masters some rough, some kind, some indifferent. Black Beauty's experiences throughout his life give him lessons on real friendship, loss, hardship and human nature. Gallop with Black Beauty as he grows into a worn yet mature and handsome, dutiful...

When Chess moves near Joni, their differing opinions have Joni defending her family's farm, and she must find the courage to stand up to Chess when she decides to "rescue" the minature horses from a nearby farm.

As Amy helps a lost horse, she makes the difficult decision of whether to leave Heartland in order to go to college.

Amy visits her friend Carey and at first assumes that Carey needs help with her unruly horse Mustang. Later, Amy wonders why Carey is surprisingly cold towards both her and the horse.