The quest for Aztec gold: Mexico

Author: Elizabeth Singer Hunt
Illustrator: Brian Williamson
Publisher: New York, N.Y.: Weinstein Books 2008
Series: Secret agent Jack Stalwart, 10

Annotation: Secret Agent Jack Stalwart has a new mission; travel to Mexico to hunt down a stolen map leading to hidden Aztec gold. When Jack finds himself trapped in the hands of one of the most treacherous treasure hunters in the world, he must act fast. Will Jack stop Callous Carl and his band of thieves before it is too late?

This attention grabbing spy fiction book combines secret agents and treasure hunters. 

For more information:

Goodreads

Amazon

The Ship of Lost Souls

Author: Rachelle Delaney
Publisher: New York: Grosset & Dunlap 2012
Series: Ship of Lost Souls, 1

Annotation: The Lost Souls are orphaned kids who are the crew on the pirate ship and captained by the 12-year- old Scarlet McCray. When they rescue 11-year- old Jem Fitzgerald from the pirates, Scarlet discovers that he holds the treasure map which all pirates are after. They will start new adventure by sailing the Island waters but will other pirates leave them alone?

This first book of the series has an action-packed and fast-paced adventure story.

For more information:

Amazon 

Author website 

Oliver's travels: an Ohio adventure

Author: Cynthia Furlong Reynolds

Illustrator: Bruce Langton

Publisher: Ann Arbor, MI: Mitten Press 2008

Series: Oliver's travels, 1

Annotation: Oliver is a tiny mouse with big dreams. When his great-uncle gave him a piece of a very old treasure map, he decides to follow it through Ohio. After leaving safety and security behind him, he starts learning new things on this journey. He will discover the Ohio activities, symbols, and other facts.

This is the first in a series of four books.

For more information:

Good Reads