Representations of Algebras, Geometry and Physics
Kiyoshi Igusa
Lectures on Sphere Arrangements - the Discrete Geometric Side
Károly Bezdek
Transformational Plane Geometry
Ronald N. Umble
Crocheting Adventures With Hyperbolic Planes
Daina Taimina
The Shape of Space
Jeffrey R. Weeks
Introduction To Homotopy Type Theory
Egbert Rijke
A First Course in Differential Geometry
John Bolton
Mathematical Tidbits
Jens Cartensen
Mastering Geometry Puzzles
Paulo Ferro
More Monthly Problem Gems
Hongwei Chen
Puzzle and Proof
Samuel Dittmer
The Four Corners of Mathematics
Thomas Waters
A Stitch in Line
Katherine Seaton
Expanding Mathematical Toolbox
Boris Pritsker
The World Through the Lens of Mathematics
Natali Hritonenko
Hans Van Der Laan's Instruments of Thought
Tiziana Proietti
Differential Geometry of Curves and Surfaces
Thomas F. Banchoff
Elements of Quaternions; Volume 2
William Rowan Hamilton
Elements of Quaternions
William Rowan Hamilton
Classical Algebraic Geometry Volume 1
I. Dolgachev