Ieke Moerdijk

Sheaves in Geometry and Logic: A First Introduction to Topos Theory (Universitext) by Saunders MacLane,Ieke Moerdijk Springer Paperback 14 May 1992 from£51.95 | RRP: ~~£59.99~~
Algebraic Set Theory (London Mathematical Society Lecture Note Series) by Andri Joyal,Ieke Moerdijk Cambridge University Press Paperback 14 September 1995 from£21.24 | RRP: ~~£19.99~~
Introduction to Foliations and Lie Groupoids (Cambridge Studies in Advanced Mathematics) by I. Moerdijk,J. Mrcun Cambridge University Press Hardcover 18 September 2003 from£69.00 | RRP: ~~£35~~