The realistic background [in Jason and the Money Tree] is convincing, the writing style and dialogue acceptable, but the fantasy and realism don't mesh, and there are several aspects of the story that seem to have been contrived so that Jason's secret can be maintained. (p. 181)

Zena Sutherland, "New Titles for Children and Young People: 'Jason and the Money Tree'," in Bulletin of the Center for Children's Books (© 1974 by the University of Chicago; all rights reserved), Vol. 27, No. 11, July-August, 1974, pp. 180-81.