Katherine Applegate’s The One and Only series is a special chapter book series for tween readers. While it starts with The One and Only Ivan, the series does not stop there.
Check out our guide to all The One and Only series books in this guide to catch all of the chapter books in this series about love, friendship and family.
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The One and Only Series in Order:
The One and Only Series in Order With Publisher Descriptions:
The One and Only Ivan
by Katherine Applegate
The One and Only Book 1
Having spent twenty-seven years behind the glass walls of his enclosure in a shopping mall, Ivan has grown accustomed to humans watching him. He hardly ever thinks about his life in the jungle. Instead, Ivan occupies himself with television, his friends Stella and Bob, and painting. But when he meets Ruby, a baby elephant taken from the wild, he is forced to see their home, and his art, through new eyes.
The One and Only Bob
by Katherine Applegate
The One and Only Book 2
Bob sets out on a dangerous journey in search of his long-lost sister with the help of his two best friends, Ivan and Ruby. As a hurricane approaches and time is running out, Bob finds courage he never knew he had and learns the true meaning of friendship and family.
The One and Only Ruby
by Katherine Applegate
The One and Only Book 3
Ruby’s story picks up a few months after the events of The One and Only Bob. Now living in a wildlife sanctuary, Ruby’s caretaker from the elephant orphanage in Africa where she grew up is visiting. Seeing him again brings back a flood of memories both happy and sad of her life before the circus, and she recounts the time she spent in the African savannah to Ivan and Bob.
The One and Only Family
by Katherine Applegate
The One and Only Book 4
Ivan has been happily living in a wildlife sanctuary, with his friend Ruby next door in the elephant enclosure, frequent visits from his canine friend Bob, and his mate Kinyani by his side. And in the happiest turn of all, Ivan and Kinyani have welcomed a set of twins to their family!
Ivan loves being a papa, even though it can be hard sometimes. But as he navigates the joys and challenges of parenthood, he can’t help but recall his life before the glass walls of the mall circus, his own childhood in the jungle—and his own twin.
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