This book consists of articles from Wikia or other free sources online. Pages: 508. Chapters: Ekaterina, Janus, Lucian, Madrigal, Tomas, Branch Crests, Branch Leaders, Cahill Timeline, Cahill Web, Cards, Ekaterina Branch, Historic Cahills, Jane Cahill, Janus Branch, Janus Serum, Lucian Branch, Madeleine Cahill, Madrigal Branch, Madrigal Gauntlet, Serum Formula, The Cahill Family, The Cahill Fire, The Sword Thief, Tomas Branch, Wiki Team Win History-Round 2, 39 Clues - Search for the Keys, A-Star, Adolf Hitler, Agents Kidnapped in The Medusa Plot, Agent Cards, Agent Handbook, Alistair Oh, Alistair Oh's Alliances, Amber, Ana Kosara, Anne Cahill, Arena 39, Bae Oh, Beyond the Grave, Branch Crests, Branch Founders, Branch Leaders, Branch Serums, British Museum, Buchanan Holt, Cahills vs.Vespers, Cahill Island, Ireland, Cahill Timeline, Cahill Web, Cairo, Egypt, Cards, Card Chart, Casper Wyoming, Characters, Charlie Wallace, CliqueMe, Clues, Clue Symbols, Damien Vesper, Darma, Ekaterina Branch, Ekaterina Serum, France, Gideon Cahill, Gordon Oh, Grace's Will, Hae-In Oh, HALO, Historic Cahills, Hot Spots, Hydrogen, Ian and Natalie's Alliances, Into the Gauntlet, In Too Deep, Jude Watson, Katherine Cahill, Lab Rat, Leslie D. Mill, Lin Kim Oh, List of Main Characters, Loch Ness, Loch Ness Submersible, Mace, Madeleine Cahill, Madrigal Gauntlet, Margaret Peterson Haddix, Marie Curie, Master Serum, Mercury, Microwavable Burrito, Missions, Myrrh, My Cards, My Clues, Ned Starling, Neuschwanstein Castle, Nikola Tesla, Old 39 Clues Wiki Teams, Olivia Cahill, One False Note, Phosphorus, Pierre Curie, Prestige Meter, Quote of the week suggestion page, Robert Cahill Henderson, Rosetta Stone, Scotland, Serum Formula, Sharable Card Codes, Silver, Sinead Starling, St. Petersburg, Storm Warning, Strongholds, Ted Starling, Teodora Kosara, The 39 Clues, The 39 Clues, The 39 Clues Website, The Bermuda Triangle, The Black Book of Buried Secrets, The Black Circle, The Cahill Family, The...

The explosive finale to Scholastic's mega-selling series. Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But are they ready to face the truth about the Cahills and the key to their unmatched power? After a whirlwind race that's taken them across five continents, Amy and Dan face the most the difficult challenge yet - a task no Cahill dared to imagine. When faced with a choice that could change the future of the world, can two kids succeed where 500 years worth of famous ancestors failed?

This book consists of articles from Wikia or other free sources online. Pages: 49. Chapters: A King's Ransom, Bhaile Anois, Branch Crests, Branches, Cahill Timeline, Casper Wyoming, Ching Shih, Clues, Ekaterina Branch, Erasmus, Florence Nightingale, Gideon's Ring, Gideon Cahill, Henry Cahill, Hope Cahill, In Too Deep, Into the Gauntlet, Jane Cahill, Janus Branch, Katherine Cahill, Lucian Branch, Luke Cahill, Madeleine Cahill, Madrigal Branch, Master Serum, Mr. Cahill, Nazi Germany, Olivia Cahill, One False Note, Rev. Martin Luther King Jr, Shep Trent, Storm Warning, Ted Starling, The Black Book of Buried Secrets, The Black Circle, The Cahill Family, The Cahill Fire, The Dead Of Night, The Emperor's Code, The Maze of Bones, The Medusa Plot, The Sword Thief, The Viper's Nest, The Wizard Family, Thomas Cahill, Tomas Branch, Toyotomi Hideyoshi, Vesper Five, Vesper One, Vespers Rising, Vespers Timeline. Excerpt: Template: Orphan Bhaile Anois is the traditional Cahill Family song of summoning, which was composed by Gideon Cahill. It is usually played on a pipe. Its translation means 'home now'. Olivia and Madeleine Cahill both play the song in Vespers Rising. Bhaile Anois' first appearance was in Vespers Rising, when Olivia Cahill summoned Madeleine home after she gave her classmates a sleeping potion. Template: Orphan Each of the Cahill family branch has its own crest or logo that symbolizes something about their branch. They can use their crests to leave a message to their other fellow branch members, or they can use it to scare other Cahills from a different branch (such as the Madrigals, who leave a "M" to scare other Cahills away). Lucian The Lucian crest has been modified over the years, but its central image, the double- headed snake, has remained unchanged. Like the snakes, it is symbolic The Cahill Family, with the possible exception of the Vespers, is the most powerful family in human history. Founded by Gideon...

A guide to the characters and situations in "The 39 Clues" outlines the Cahills' secrets, including hidden facts, strategies, agents, lost founders, secret bases, and scandals, as well as information about all branches of the family.

Amy and Dan dodge the shadow of a man in black as they search for the 39 clues.