“marble white body with powerful flanks, something like a horse but at the same time completely unlike a horse, for from the magnificently modeled back sprang a nobly formed torso, arms, and a head resembling a man's, but a man with a perfection of dignity and virtue, an exaltation of joy such as Meg had never before seen. (Wrinkle In Time, Chapter 4 , Pg.46 pdf)
This is a part of the book when Ms.Whatsit