"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."

孩子都希望有个年龄想仿、会了解他、一起感受快乐悲伤、一块行动的伙伴。 Jessica是Ruthie虚拟的同伴，作者强烈表达Jessica在Ruthie心中的地位，当她要上幼儿园，父母伤脑筋该如何让Ruthie放下心中虚拟的Jessica，进而多交些朋友。在作者巧妙地安排之下，幼儿园里想和Ruthie做朋友的女孩也叫Jessica，化解了她内心的冲突，进而结交一位胜于手足之情的知心朋友。书中探讨从虚拟朋友到真实地获得友谊的满足与喜悦。