Foliations

Camacho and Nieto, Geometric theory of foliations

Candel and Conlon, Foliations, vols 1 & 2

Hector and Hirsch, Introduction to the geometry of foliations, parts A & B

Tondeur, Geometry of Foliations

Reinhart, Differential geometry of foliations

Tamura, Topology of foliations: an introduction

Moerdijk and Mrcun, Introduction to foliations and Lie groupoids

Nikolaev, Foliations on surfaces

Calegari, Foliations and the geometry of 3-manifolds

Molino, Riemannian foliations

Tondeur, Foliations on Riemannian manifolds

Asaoka et al, Foliations: dynamics, geometry and topology