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Psychology

The One and Only Ivan

by Katherine Applegate · 2025 · 304 pages

4.65· 663 ratings

Psychologybook summaryMiddle GradeApplegate
Key Insights · 8 min

The One and Only Ivan

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Ivan's Captive Life

Ivan , a silverback gorilla, resides in a cage at the Exit 8 Big Top Mall and Video Arcade. His life is monotonous, filled with the routine of performing for visitors and watching TV. Despite his captivity, Ivan finds solace in art , drawing with crayons given to him by Julia , the janitor's daughter. His friends include Stella , an aging elephant, and Bob , a stray dog. Ivan reflects on his past, remembering his life in the wild and the family he lost. His existence is one of quiet resignation until a new arrival changes everything. The mall acquires Ruby , a young elephant, to attract more v

Lesson 1: Ivan's Captive Life

This principle from The One and Only Ivan is backed by Katherine Applegate's extensive research and real-world examples. Understanding it deeply can shift how you approach decisions, relationships, and long-term planning in meaningful ways.

Lesson 2: New Arrival: Ruby

This principle from The One and Only Ivan is backed by Katherine Applegate's extensive research and real-world examples. Understanding it deeply can shift how you approach decisions, relationships, and long-term planning in meaningful ways.

Lesson 3: Stella's Last Wish

This principle from The One and Only Ivan is backed by Katherine Applegate's extensive research and real-world examples. Understanding it deeply can shift how you approach decisions, relationships, and long-term planning in meaningful ways.

How to Apply The One and Only Ivan's Lessons

The real value of The One and Only Ivan lies in its applicability. After reading, the most important step is identifying which of Katherine Applegate's principles speak most directly to your current situation.

Consider keeping a journal while reading — noting where the ideas challenge your current approach and where they confirm what you already suspected. The friction of your own resistance often points to the most important insights.

Key Quote

"Ivan's Captive Life" — Katherine Applegate, The One and Only Ivan

About the Author

Katherine Applegate is the author of The One and Only Ivan. The book reflects years of research, observation, and synthesis of evidence from multiple disciplines.

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