We've got your back. With the Tough-O-Meter, you'll know whether to bring extra layers or Swiss army knives as you summit the literary mountain. (10 = Toughest)
(4) Base Camp
A Wrinkle in Time is a kids' book, but it's a kids' book that is heavily sprinkled with literary allusions, and that takes its title from a concept in higher-level physics. Fortunately, understanding just who Mrs. Who is quoting, or just what the heck a tesseract is, isn't necessary to enjoy the book. In fact, a healthy sense of ignorance is what the book aims to produce in its readers.