"Original A to Z Mysteries series created by Ron Roy."--Title page verso.
"Abigail 'Abbi' Wallace is excited to see the alpacas at the Maine State Fair. But there's only one alpaca left--the rest are missing! What sent the alpacas packing? Abbi; her dog, Barkley; and her friends Lydia and Daniel are ready to sniff out this mystery!"-- Back cover.