Dear Colleagues, We are pleased to let you know that a Special Volume in honour of George Janelidze, on the occasion of his 60th birthday, will be published in Applied Categorical Structures. The guest editors of this volume are Maria Manuel Clementino, Marino Gran, Manuela Sobral, Ross Street and Walter Tholen. The deadline for submitting a contribution is October 31, 2012. Please send the .pdf file of your article to Marino Gran <marino.gran@uclouvain.be> with an indication of the guest editor you would like to handle your paper. We are looking forward to receiving your good contributions! With best regards, Manuela, Maria Manuel, Ross, Walter and Marino [For admin and other information see: http://www.mta.ca/~cat-dist/ ]