The Heart (Vanished Book 4)
Book 4 of the Vanished Series.
Queen Sally is in critical condition in the hospital while King Lorb is forced to not only run the federation, but raise the children alone (for the time being). When Ben, and Charlie are brought into the picture Ben is the one to discover where Sally is. When Ben finds out however about a special Ruby heart that can waken the queen, he sets on a mission in his new starship to find it. Will Ben wake the sleeping Queen, or will Lorb?