Colorado Parks & Wildlife Research Library

"Eva Traube Abrams, a semi-retired librarian in Florida, is shelving books one morning when her eyes lock on a photograph in a magazine lying open nearby. She freezes; it's an image of a book she hasn't seen in sixty-five years--a book she recognizes as The Book of Lost Names. The accompanying article discusses the looting of libraries by the Nazis across Europe during World War II--an experience Eva remembers well--and the search to reunite people...

Raised by a group of eccentric enigmatologists, 20-something Clayton Summer, when the esteemed crossword compiler and main maternal presence in his life passes away, bestowing her final puzzle on him, embarks on a quest to uncover the secrets surrounding his birth, which will change him, and the Fellowship of Puzzlemakers, forever.

"When agoraphobic genius Salem Wiley lands her dream job as an FBI cryptanalyst, she vows never to return to the witch hunt underworld, where ancient secrets encrypted by hunted women have the power to rewrite history. Her resolve disappears when sweet Mercy Mayfair, the child she is pledged to protect, is kidnapped. With the help of the enigmatic Agent Lucan Stone, Salem is forced to code hunt in Ireland, England, and Scotland to keep the girl alive....

"Chris and Carrie Kingsolver have the location of the lost treasure ship San Telmo. (Well, Carrie almost has it.) With their friend Professor Griffin and two slightly sketchy grad students, they're off to find it. Meanwhile, Maddison's dad has dragged her off to Nebraska, to consult with a retired police detective about the disappearance of an old college friend. And back at home, the FBI is going door to door. Who else wants the ship so badly? And...

Second-grader Sam Graham wants a cell phone to do research and share information but when his parents say no, he devises a new plan that starts a fad at school.

Somewhere in Saint Erasmus's Catholic church, there's a parish register containing a firsthand account of the sinking of the "San Telmo." To find that ship in honor of their murdered aunt, Chris and Carrie first have to find the register. And it turns out that the church is supposed to be very haunted.

"Chris Kingsolver has always been especially close to his aunt. He's heartbroken when she dies in a car accident--and shocked to get a coded letter in the mail after her death. Elsie left Chris clues to the location of a lost treasure ship as an inheritance--if he, his cousin Carrie, and their new friend Maddison can find it. But that might be difficult, what with the mysterious people stalking them, and the strange behavior of the new archivist....

Mr. Summerling, Marly's neighbor, talked about being a treasure hunter, and news of his death has brought Marly into a treasure hunt of her own. In his will, Mr. Summerling left a treasure for Marly and two classmates, Isla and Sai. They barely know each other, but they have to work together with a series of riddles, puzzles, and clues to find the treasure.

"In the fourth and final book of this code-busting series, Marly, Sai, and Isla are back on the hunt. After their shocking discoveries on Summer Island, the Treasure Troop has one final set of clues to follow before reaching the end of their search. And now our trio must solve the toughest mystery of all: what really happened to Mr. Summerling?"--