A colleague borrowed a work-related book (value ~£30) a few months back. Recently I went to ask for it back, but they had taken it home without permission.
For the past two weeks they 'keep forgetting' to bring it back in. As I'm leaving the company soon, I suspect they intend to keep the book. They are also leaving in a month or two.
How can I get the book returned, or get reimbursed for the book?
Update 14/08/14: today he said it was in his car, but today he'd got a lift to work (he does car share). He promised that tomorrow he'd have the book. I said that if he forgot it again, or if he wanted to keep it, he could pay me for it. He later emailed saying that if he did forget the book again (tomorrow is my last day) he'd buy the book from Amazon
Final Update 15/08/14: I have the book! Being more persistent and offering alternatives such as him giving me the money for it seemed to make him realise he'd gain a reputation for being a thief.