"The mystery deepens and the action intensifies for 12-year-old Cruz Coronado and friends in the exciting third book in the Explorer Academy series. The adventure continues for Cruz, Emmett, Sailor, and Bryndis as they continue their studies at sea and travel to exotic locations around the world. A mysterious person alerts Cruz to impending danger while he and a few trusted pals explore ancient ruins in Petra, Jordan, and search for another piece of the puzzle his mother left behind. Worst of all, now his father has gone ...
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"The mystery deepens and the action intensifies for 12-year-old Cruz Coronado and friends in the exciting third book in the Explorer Academy series. The adventure continues for Cruz, Emmett, Sailor, and Bryndis as they continue their studies at sea and travel to exotic locations around the world. A mysterious person alerts Cruz to impending danger while he and a few trusted pals explore ancient ruins in Petra, Jordan, and search for another piece of the puzzle his mother left behind. Worst of all, now his father has gone missing, which prompts Aunt Marisol, his number one protector, to leave the ship in search of him. Who is the new professor who takes her place? How does the new technology he introduces help or hurt Cruz's quest? Why is Nebula determined to stop Cruz before he turns 13? The clock is ticking as his first teen birthday draws near ... a milestone that will change his life forever, one way or another"--
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Add this copy of Explorer Academy: the Double Helix (Book 3) to cart. $1.37, very good condition, Sold by ZBK Books rated 5.0 out of 5 stars, ships from Woodland Park, NJ, UNITED STATES, published 2020 by NatGeo Under the Stars.
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Seller's Description:
Fast &-Very good condition with a clean sturdy cover and crisp pages. Gently used with only minor shelf wear. May include a few subtle marks but overall a well-maintained copy ready to enjoy. Supplemental items like CDs or access codes may not be included.
Add this copy of Explorer Academy: the Double Helix (Book 3) to cart. $1.37, good condition, Sold by Zoom Books East rated 5.0 out of 5 stars, ships from Glendale Heights, IL, UNITED STATES, published 2020 by NatGeo Under the Stars.
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Seller's Description:
Book is in good condition and may include underlining highlighting and minimal wear. The book can also include From the library of labels. May not contain miscellaneous items toys dvds etc. We offer 100% money back guarantee and 24 7 customer service.
Add this copy of Explorer Academy: the Double Helix (Book 3) to cart. $1.37, good condition, Sold by Greenworld Books rated 4.0 out of 5 stars, ships from Arlington, TX, UNITED STATES, published 2020 by NatGeo Under the Stars.
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Seller's Description:
Good condition book with a firm cover and clean readable pages. Shows normal use including some light wear or limited notes highlighting yet remains a dependable copy overall. Supplemental items like CDs or access codes may not be included.
Add this copy of Explorer Academy: the Double Helix (Book 3) to cart. $1.62, very good condition, Sold by Dream Books Co. rated 5.0 out of 5 stars, ships from Denver, CO, UNITED STATES, published 2020 by NatGeo Under the Stars.
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Seller's Description:
Very good. Pages are clean with no markings. May show minor signs of wear or cosmetic defects marks cuts bends or scuffs on the cover spine pages or dust jacket. May have remainder marks on edges.
Add this copy of Explorer Academy: the Double Helix (Book 3) to cart. $2.36, very good condition, Sold by ThriftBooks-Baltimore rated 5.0 out of 5 stars, ships from Halethorpe, MD, UNITED STATES, published 2020 by Natgeo Under the Stars.
Add this copy of Explorer Academy: the Double Helix (Book 3) to cart. $2.36, good condition, Sold by ThriftBooks-Atlanta rated 5.0 out of 5 stars, ships from Austell, GA, UNITED STATES, published 2020 by Natgeo Under the Stars.
Add this copy of Explorer Academy: the Double Helix (Book 3) to cart. $2.36, fair condition, Sold by ThriftBooks-Baltimore rated 5.0 out of 5 stars, ships from Halethorpe, MD, UNITED STATES, published 2020 by Natgeo Under the Stars.
Add this copy of Explorer Academy: the Double Helix (Book 3) to cart. $2.36, like new condition, Sold by Goodwill rated 4.0 out of 5 stars, ships from Brooklyn Park, MN, UNITED STATES, published 2020 by Natgeo Under the Stars.
Add this copy of Explorer Academy: the Double Helix (Book 3) to cart. $2.36, very good condition, Sold by ThriftBooks-Reno rated 4.0 out of 5 stars, ships from Reno, NV, UNITED STATES, published 2020 by Natgeo Under the Stars.
Add this copy of Explorer Academy: the Double Helix (Book 3) to cart. $2.36, very good condition, Sold by ThriftBooks-Dallas rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2020 by Natgeo Under the Stars.
