"It was a dark and stormy night; Meg Murry, her small brother Charles Wallace, and her mother were in the kitchen for a midnight snack when they were upset by the arrival of a most disturbing stranger. 'Wild nights are my glory,' the unearthly stranger told them. 'I just got caught in a downdraft and blown off course. Let me sit down for a moment, and then I'll be on my way. Speaking of ways, by the way, there is such a thing as a tesseract.' A tesseract...

With Meg Murry's help, the dragons her six-year-old brother saw in the vegetable garden play an important part in his struggle between life and death.