A bookcase is disclosed having a base, a top panel, and four sides extending vertically from the base to the top panel and defining four vertically extending corners. The bookcase also includes a plurality of corner cabinets extending along the corners and defining a plurality of compartments therebetween. Each corner cabinet includes at least one first shelf for storing books. The bookcase further includes a plurality of cabinets arranged inside the plurality of compartments. Each cabinet includes a plurality of second shelves. Each second shelf is adapted to be removed or moved to a stored position to provide leg space for a user sitting on a chair and using the top panel as a work surface.

A piece of furniture includes a base plate (12) formed by a top of a furniture body (10), and a worktop (14) adapted to be pulled-out, in which the worktop (14) covers at least a part of the base plate (12) and is slidably guided on a mounting plate (18) which is rotatably supported on the body (10) so as to be rotatable about a vertical axis (A).

A cabinet which includes a tray formed into a rectangular flat plate shape slidable between a storage position and a drawing position under the top board and above one or a plurality of drawers, space formed between the top board and the tray, and a first extension board and a second extension board turnably attached respectively to both sides of the top board. The first extension board and the second extension board are turnable between a closed position where the first and second extension boards overlap a top surface of the top board and an open position where the first and second extension boards are opened sideways respectively from left and right sides of the top board. The top surface of the top board and top surfaces of the first extension board and the second extension board are arranged on a same plane.

A cabinet which includes a tray formed into a rectangular flat plate shape slidable between a storage position and a drawing position under the top board and above one or a plurality of drawers, space formed between the top board and the tray, and a first extension board and a second extension board turnably attached respectively to both sides of the top board. The first extension board and the second extension board are turnable between a closed position where the first and second extension boards overlap a top surface of the top board and an open position where the first and second extension boards are opened sideways respectively from left and right sides of the top board. The top surface of the top board and top surfaces of the first extension board and the second extension board are arranged on a same plane.

A piece of furniture includes a base plate (12) formed by a top of a furniture body (10), and a worktop (14) adapted to be pulled-out, in which the worktop (14) covers at least a part of the base plate (12) and is slidably guided on a mounting plate (18) which is rotatably supported on the body (10) so as to be rotatable about a vertical axis (A).

A piece of furniture includes a base plate (12) formed by a top of a furniture body (10), and a worktop (14) adapted to be pulled-out, in which the worktop (14) covers at least a part of the base plate (12) and is slidably guided on a mounting plate (18) which is rotatably supported on the body (10) so as to be rotatable about a vertical axis (A).

A portable detachable counter extension system uniquely mounts on top of an already existing surface including but not limited to a counter, bookshelf, radiator cover, bathroom vanity or any other suitable existing suitable surface.