When FBI Special Agent Carlson is kidnapped in Egypt while investigating the plane crash of an eccentric billionaire inventor, Jordan and his friends spring into action. Catherine, The Math Kids must unravel the clues in Howell's mysterious will before it's too late. If they can't figure out the secret of the triangle in time, Howell's money will be gone forever. Now the Egyptians are after the Math Kids, too. In their most exciting adventure to date, the four friends will need all their math skills to save their FBI ...
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When FBI Special Agent Carlson is kidnapped in Egypt while investigating the plane crash of an eccentric billionaire inventor, Jordan and his friends spring into action. Catherine, The Math Kids must unravel the clues in Howell's mysterious will before it's too late. If they can't figure out the secret of the triangle in time, Howell's money will be gone forever. Now the Egyptians are after the Math Kids, too. In their most exciting adventure to date, the four friends will need all their math skills to save their FBI friend and find the missing money.
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Add this copy of The Triangle Secret to cart. $3.72, good condition, Sold by ThriftBooks-Dallas rated 5.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2022 by Common Deer Press.
Add this copy of Triangle Secret Format: Paperback to cart. $8.64, new condition, Sold by Websew Inc rated 4.0 out of 5 stars, ships from Avenel, NJ, UNITED STATES, published 2022 by Common Deer Press.
Add this copy of The Triangle Secret (Volume 6) (the Math Kids, 6) to cart. $9.80, good condition, Sold by Madison Booksellers rated 5.0 out of 5 stars, ships from HAGERSTOWN, MD, UNITED STATES, published 2022 by Common Deer Press.
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Seller's Description:
Ships same day or next. Good condition with minor shelf wear. Unread copy. Never opened and text is like-new. Expedited shipping available at checkout for domestic orders.
Add this copy of The Triangle Secret (Volume 6) (the Math Kids, 6) to cart. $9.80, fair condition, Sold by Madison Booksellers rated 5.0 out of 5 stars, ships from HAGERSTOWN, MD, UNITED STATES, published 2022 by Common Deer Press.
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Fair. Ships same day or next. The cover/outside shows heavy wear but the book has never been read and the text is very good. This is a returned copy that was never sold. Expedited shipping available at checkout for domestic orders.
Add this copy of The Triangle Secret to cart. $14.11, new condition, Sold by Paperbackshop rated 4.0 out of 5 stars, ships from Bensenville, IL, UNITED STATES, published 2022 by Common Deer Press.
Add this copy of The Triangle Secret to cart. $18.80, new condition, Sold by Ria Christie Books rated 5.0 out of 5 stars, ships from Uxbridge, MIDDLESEX, UNITED KINGDOM, published 2022 by Common Deer Press.
Add this copy of The Triangle Secret to cart. $22.90, new condition, Sold by Booksplease rated 4.0 out of 5 stars, ships from Southport, MERSEYSIDE, UNITED KINGDOM, published 2022 by Common Deer Press.