Extendable room-in-room for recreational vehicles

A recreational vehicle, comprising:

• a carriage assembly with a plurality of wheels,
• a plurality of outer walls mounted on the carriage assembly, wherein the plurality of outer walls define a main living space having a front and rear section with a common floor,
• an extendable slide-out assembly, said extendable slide-out assembly comprising a first extendable slide-out room, said first extendable slide-out room being slidably attached to the body of said recreational vehicle, and a second extendable slide-out room, said second extendable slide-out room being slidably attached to said first extendable slide-out room and said second extendable slide-out room having a ceiling height that is less that the ceiling height of said first extendable slide-out room.

A means for expanding the living space of a recreational vehicle, comprising:

• extending a first slide-out assembly from the chassis of said recreational vehicle, said first slide-out assembly being slidably attached to said recreational vehicle,
• extending a second slide-out assembly from said recreational vehicle, said second slide-out assembly being slidably attached to said first slide-out assembly and having a ceiling height that is less than the ceiling height of said first slide-out assembly.