I believe it was written in the 60s or 70s. It involves a kid who finds a portal to another dimension in the wall beside his bed. I know that's not a lot to go on, but it's pretty much all I have. IIRC, the first part of the book is about this kid on this side of the portal, the second part is about the other side.
Any ideas? Thanks.
Since no one else has responded I thought I would
Sorry that novel does not sound familiar.
But I recall an ep from "Twilight Zone" that sounds very close yet with changes.
And it sounds YA if that helps at all.
Working on turning Lead into Gold.
Four HMs From WotF
The latest was Q1'12
HM-quarter 4 Volume 32
One HM for another contest
published in Strange New Worlds Ten.
Another HM http://onthepremises.com/minis/mini_18.html