TreeHugger has shown many ways to hide the bed; most are designed to gain more space. But the Red Nest by Paul Coudamay doesn't; the bed is still there taking up space, but is hidden by the sliding bookcase.
Kids Bed with Reading Nook Ideas - Cute house shaped bed with shelves and gable canopy and cottage style daybed. Plus many more unique & fun DIY kids bedroom & bookshelf ideas. Chic, cool, and modern kids bedroom furniture.
Wood Profits - How to Make Money in Woodworking - Projects that Sell - Woodworking Plans and Tools — via /r/woodworking - Discover How You Can Start A Woodworking Business From Home Easily in 7 Days With NO Capital Needed!