Truck tailgate ladder apparatus

A truck tailgate ladder apparatus, comprising,

• a truck bed, wherein the truck bed includes a tailgate pivotally mounted to the truck bed, the tailgate including a tailgate bottom wall pivotally mounted relative to the truck bed, and the tailgate further including a top wall spaced from the bottom wall, and a first wall spaced from a second wall, and
• a tailgate cavity defined within the tailgate extending orthogonally relative to the top wall and the bottom wall oriented between the first wall and the second wall, and the cavity including a cavity entrance directed through the top wall, and
• the first wall including a first groove and a second groove arranged in a parallel coextensive relationship within the first wall interiorly of the cavity, and
• a first runner plate slidably mounted to the first groove, and a second runner plate mounted slidably to the second groove, the first runner plate including a first runner plate rib slidably received within the first groove, and the second runner plate including a second rib slidably received within the second groove, and
• a first ladder member slidably and rotatably mounted to the first runner plate and the second runner plate oriented between the first runner plate and the second runner plate, and
• a second ladder member slidably and rotatably mounted relative to the first ladder member, and
• latch means to latch the first ladder member relative to the second ladder member.