What’s inside that bolted door?

Squatters pick a lock,or more likely slip in through an open window.
http://joaap.org/press/makingroom.htm
Co-edited by Alan W. Moore and Alan Smart
Designed by Other Forms
Co-published by Journal of Aesthetics & Protest and Other Forms.
This book is lovely, and available in a free  free pdf download)
Purchasing info here