Save Queen of Sheba (Unabridged‪)‬

They’ve always relied upon their parents to take care of them. Now they are going to have to survive alone.
 
The vicious attack on their wagon train killed almost everyone—except David and his younger sister, whom he calls Queen of Sheba. The two are stranded on the deserted trail, and have to live by their wits and whatever supplies they can scavenge. And although David is seriously hurt, he knows that frail Queen of Sheba is counting on him. He can only hope that their parents are somewhere up ahead—if he can find them.
 
"A taut survival story, believable and human." —The Horn Book

"Vivd and memorable." —Booklist, starred review