I do not know any particular book about boredom or depression in English. I have read some books of Greek psychologist (I am Greek) that have influence from Erik Ericson
http://en.wikipedia.org/wiki/Erik_Erikson but I have never read a book of Erik Ericson himself ... I do believe though that his books must be really good for situations like boredom, depression or things like that, so maybe you might find a book relevant to him that you might like...In any case, I (myself), find internet (and this forum here in particular) a great way to ... kind of ... recognize who you are, how you think, how others think about you, what you really like and what might be your interests. Cause it gives you the ability to "stop and think" while reading or posting and interact with others in a positive way (you just have to try to keep it positive)...
Hey, I hope this helped
