The Phantom Tollbooth

by Norton Juster

There was once a boy named Milo who didn't know what to do with himself-not just sometimes, but always.

Histoire naturelle

by Georges-Louis Leclerc, comte de Buffon, Georges Louis Leclerc De Buffon

Le capital au XXIe siècle

by Thomas Piketty

Mathematical recreations and problems of past and present ti...

by W. W. Rouse Ball, H. S. M. Coxeter

I commence by describing some arithmetical recreations.

Récréations arithmétiques

by Émile Fourrey

Arithmétique

by Jean Noël Blot

Recherches arithmétiques

by Carl Friedrich Gauss

Arithmétique

by H. Duru

Cours d'arithmétique

Fonctions arithmétiques

by Jean Noël Belgy

Traité d'arithmétique

by Joseph Alfred Serret

Arithmétique générale

by Émile Dumon

Arithmétique

by Frères des écoles chrétiennes

Arithmétique

Cours d'arithmétique

Cours d'arithmétique

Traité élémentaire d'arithmétique

by F. X. Toussaint

Arithmetique graphique

by Gabriel Arnoux

Arithmétique graphique

by Gabriel Arnoux

Traité d'arithmétique

by F. X. Toussaint