Your Mission, Should You Accept It…

Operation Lincoln's Ghost

Spy Games Washington, DC: Operation Lincoln’s Ghost

1st Edition / October 2015
ISBN: 978-0-9845866-6-0
Publisher: Three Leaf Press
102 pp / B&W

Available now from Amazon in both paperback and eBook.

Welcome Secret Agent! S.P.I.E.S. Force, the most elite spy agency in the world, has chosen you to join their team! What you are about to read is top secret…

From the creators of Scavenger Guides, the best selling travel guide series for kids, comes a new adventure for spies of all ages! PuzzleQuests take you on a fun, spy-themed puzzlehunt following clues and completing tasks as you explore famous sites and landmarks. Along the way, you’ll solve puzzles, decipher riddles, and break secret codes as you work to crack the case! Fun for both kids and adults, PuzzleQuests turn passive sightseeing into active exploration – which leads to more memorable vacations!

You’re On The Case

PuzzleQuests are fun, immersive activities that combine the thrill of a scavenger hunt with the brain-building challenge of solving puzzles.

Uncover Clues Each mission puts you in the role of a spy on a top secret assignment. Search for clues and collect intelligence as you explore various locations associated with the case.

Solve Puzzles Along the way, you’ll face a series of puzzles that must be solved using the clues collected on location. Unravel the puzzles to narrow the suspects.

Crack the Case Groups of puzzles are connected by a metapuzzle, leading to the final solution. Follow the clues, decipher the encoded riddles, and solve the final metapuzzle to crack the case!

Read the Story Missions are based on real-life events and anecdotes. Complete the mission, then read the true story behind the case!


  • More engaging than traditional travel guides, PuzzleQuests’ missions encourage creative thinking and active problem-solving.
  • Each mission includes notes on the locations you’ll visit along with various clues to uncover, puzzles to solve, and secret cipher codes to crack.
  • Interesting facts and stories for each destination are presented for “just in time” learning about the places you visit.
  • Missions are based on real-life events and anecdotes. Complete the mission, then read the true story behind the case!

Exercise Your Brain

Not only are PuzzleQuests fun, they’re also good for your brain! Scientific research has shown that solving puzzles improves overall brain function. Mental stimulation is just as important to the mind as physical exercise is to the body. In fact, there are several specific brain benefits associated with solving puzzles.

Improved Memory
Puzzles strengthen the connections between brain cells. They create new connections for improved thinking and mental speed. Puzzles are beneficial for all ages.

Heightened Creativity
A good puzzle causes participants to think about things in new ways. Even if an idea is not the solution to a puzzle, all out-of-the-box thinking helps train the mind to work in new ways.

Whole Brain Development
Puzzles require both logic and creativity. As different regions of the brain work together to achieve the best results, the brain trains itself to integrate different types of thinking for long-term benefits.

Dopamine Production
Puzzles are known for their power to help the brain produce the neurotransmitter dopamine. Benefits include a positive mood, increased concentration, and improved motor skills.

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