In the book "Surprise Island" by Gertrude Chandler Warner, one character expresses immense joy and satisfaction by stating, "This is the best picnic I've ever been to." This quote highlights the delightful experience the characters are having, suggesting that the picnic is more than just a meal outdoors; it symbolizes friendship and adventure.

The enthusiasm conveyed in this statement reflects the themes of exploration and enjoying nature prevalent in Warner's writing. The positive sentiment encapsulates the spirit of the story, where the characters enjoy memorable moments and strengthen their bonds during their time on the island.