"There is no Jessica," said Ruthie's parents. But of course there was. She ate with Ruthie, played with Ruthie, and was sorry when Ruthie was bad. Nobody could see Jessica -- except Ruthie. When it came time for Ruthie to go to school, Jessica went with her. Her parents hoped Ruthie would find a friend at school who would replace Jessica. They were in for a (happy) surprise!

A shy preschooler insists that her friend Jessica is not imaginary -- and, in the end, she's absolutely correct. "Henkes' upbeat story is highlighted by sprightly illustrations that seem to bounce off the pages. Precision writing and a crisp, clean layout combine foR a story with a totally satisfying ending and sure-fire child appeal."

孩子都希望有個年齡想仿、會了解他、一起感受快樂悲傷、一塊行動的伙伴。 Jessica是Ruthie虛擬的同伴，作者強烈表達Jessica在Ruthie心中的地位，當她要上幼兒園，父母傷腦筋該如何讓Ruthie放下心中虛擬的Jessica，進而多交些朋友。在作者巧妙地安排之下，幼兒園里想和Ruthie做朋友的女孩也叫Jessica，化解了她內心的沖突，進而結交一位勝于手足之情的知心朋友。書中探討從虛擬朋友到真實地獲得友誼的滿足與喜悅。