In three instructive instances—a pair of paintings by Cy Twombly, the problem of doubling the area of a square, and the history of attempts to explain rainbows—Fisher examines the experience of wonder as it draws together pleasure, thinking, and the aesthetic features of thought.

In three instructive instances—a pair of paintings by Cy Twombly, the problem of doubling the area of a square, and the history of attempts to explain rainbows—Fisher examines the experience of wonder as it draws together pleasure, thinking, and the aesthetic features of thought.