Dear Pirate, the Buried Treasure Mystery (Postcard Mysteries)

Ahoy Matey! A postcard from pen pal pirate? Peter Post can't believe his eyes! When the pirate writes back and invites Peter and his sister Piper down to Key West, the kids jump at the chance! Everywhere they turn- pirates! Gold Teeth! Eyepatches! Sword fights! But where is their pirate pen pal? Join the search and join the fun! Arrrrr!
Postcard Mysteries:
What happens when you mix together curious kids, postcards addressed to mysterious names, and parents that own an RV? These exciting new mysteries will take kids ages 7-14 around the United States in a beat-up RV that is always gassed and ready to go. This new Mystery Series by Carole Marsh takes a fictional family immersed in all things "post" on the road as they try to solve these exciting postcard puzzles.
Each mystery incorporates history, geography, culture and cliffhanger chapters that keep kids begging for more! Each mystery includes SAT words, educational facts, fun and humor, built-in book club and activities. Each Carole Marsh Mystery also has an Accelerated Reader quiz, a Lexile Level, and a Fountas & Pinnell guided reading level.