Meg, Charles Wallace, and Calvin O'Keefe join hands to track down Meg's father, a scientist. He disappeared while working on a top secret government project involving tesseracts (wrinkles in time). The trio travel through time, space, and galaxies in a war between good and evil. 

Newbery Medal winner. 

Grades 5 and up

To read more about wondrous galaxies, see Galactic Headscratcher.