# What are some math books written in dialogue or story form, e.g., a teacher explaining to a student?

Good examples would be The Square Root of 2 by David Flannery or Math Girls by Hiroshi Yuki.

I don’t know if there are any particular topics you’re interested in, or at what level of detail you want them presented, but Knuth’s Surreal Numbers is an example of the sort of book you mean:

B. You mean we’re actually using the New Math to decipher this old
stone tablet?

A. I hate to admit it, but that’s what it looks like. Here the first
rule says that every number $x$ is a pair of sets called the left set
$x_L$ and the right set $x_R$:

B. Hold it, your notation mixes me up. I don’t know what’s a set and what’s a number.