Felix Klein: arithmetic algebra + geometry

Herman - Counting and Configurations Problems in Combinatorics Arit - X555z

Notes on Geometry and Arithmetic.

Profinite Groups, Arithmetic, and Geometry Shatz, Stephen S.:

Finite Geometry and Combinatorics , LMS lecture notes, F,De Clerck et al

National Geographic, The Art of Counting, Enumeration and combinatorics.

Combinatorics and Finite Geometry Steven T. Dougherty Paperback S

Homotopy Theory and Arithmetic Geometry - Motivic and Diophantine