stay sleeping

Can someone offer some assistance? Please, really, I need your help. He will NOT stay in his room. Today's so called "nap" really took the proverbial cake. He managed to dissemble his book shelving unit. That's right ... the little sweetie took apart the slats and left them (and the contents of his bedroom) in his wake as he wandered into his brother's room. There his rampage included toppling over a light from the bedside table. So, again I beg you tell me what to do to keep said child in his bed. OK. I will take merely staying in his room. After all, if it means a good night sleep for me, DOD and my child perhaps I'd be willing to purchase another IKEA special bookcase!

Here is my list of potential remedies please add to it:

1) Stay with him until he falls asleep (this may or may not involve some form of restraint)
2) Leave it alone... who cares if he comes out of bed 12 times between 8:30 and 11:00 pm
3) Bribe him
4) Remove all toys, stuffies etc. from room and surrounding areas
5) Magic?
6) Prayer
7) Ultimatum ("either you go to bed now or you go to bed later" - hmm, not so much!)
8) Hire a sleep expert (cost?)
9) Wait it out... time seems to resolve such issues (does it?)
10) Somehow getting this willful, creative soul to think sleeping is in his interests....