[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/adventures-tintin-red-rackhams-treasure-album_9597.jpg]]
Red Rackham's Treasure (1944) is the 12th adventure of {{Tintin}} and a direct sequel to [[Recap/TintinTheSecretOfTheUnicorn The Secret of the Unicorn]]. In the previous tale Tintin and Captain Haddock had discovered three parchments revealing the location of the Unicorn, a sunken ship. Said ship contains the treasure of famed pirate Red Rackham. In this adventure, the two friends set out on a naval expedition to locate the treasure. Accompanying them are Thomson and Thompson, determined to protect them from Max Bird, who escaped from prison after the previous book ([[RedHerring though he never shows up]]).

The small group is joined by a stowaway, Professor Cuthbert Calculus. He is an inventor who insists that his one-man submarine is ideal for the for this mission. The Professor himself turns out to be very useful in locating the ship, as the centuries-old co-ordinates are less straightforward than originally thought. Calculus would become the last major addition to the cast of the series. The album is considered one of the highlights in the series and served as a change of direction for the protagonists, as by the end of the story Haddock becomes independently wealthy and the new owner of Marlinspike Hall, which becomes the main characters' residence for the remainder of the series.
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!!Tropes
* BreakoutCharacter: Professor Calculus. Hergé had been using various [[AbsentMindedProfessor Absent Minded Professors]] as characters in previous stories. All were one-shot characters. But Calculus went on to become a recurring character, and ''Recap/TintinDestinationMoon'', ''Recap/TintinExplorersOnTheMoon'' and ''Recap/TintinTheCalculusAffair'' all centered around his [[GadgeteerGenius achievements]].
* DesertedIsland: One figures prominently in the plot. Francis Haddock had once landed on the isle. Tintin and his crew find the island long deserted by humans and filled with the skulls of its former inhabitants. A large population of parrots keeps repeating the words of the 17th century visitor. At first the protagonists think this is a Treasure Island. But soon realize that nobody would hide his treasure in an island and never return to it.
* GadgeteerGenius: Professor Cuthbert Calculus and his specialized submarine.
* TheLongitudeProblem: The protagonists originally thought that the coordinates on Francis Haddock's parchments had the Greenwich meridian as the prime meridian. Tintin correctly figures that the French naval officers under LouisXIV were using the Paris meridian as their reference point.
* NoAntagonist: Unusually for a treasure hunting story of this type, nobody opposes the heroes in their search for Rackham's treasure. The possibility of Max Bird getting involved is brought up, but it never actually happens.
* NothingIsTheSameAnymore: From this story onward, Haddock and Calculus live a life of luxury in Marlinspike Hall, with most stories beginning or at least taking place partially there. Although Tintin himself doesn't move into Marlinspike Hall, we almost never see his old apartment in any of the following adventures.
* PirateBooty: The title already indicates that the story is about the treasure of a pirate. Red Rackham and his pirates were introduced in the [[Recap/TintinTheSecretOfTheUnicorn The Secret of the Unicorn]].
* ShipShapeShipwreck: Averted. The wreck of the Unicorn has decayed considerably.
* ThreateningShark: Until Tintin gets it drunk on three-hundred-year-old rum. Calculus' grinning shark sub is also mistaken for the real thing.
* TreasureMap: Averted. While this is a treasure hunt story, the co-ordinates of the sunken ship are not part of a map. They are written on three parchments and have to be deciphered. The protagonists originally thought that the Sir Francis Haddock calculated them based on the Greenwich Meridian. Tintin correctly figures that the French naval officers under [[UsefulNotes/LetatCestMoi louis XIV]] were using the Paris Meridian as their reference point.
* [[WhatHappenedToTheMouse/{{Comics}} What Happened To The Mouse]]: Max Bird, the villain of the previous story, is mentioned to have escaped from prison. Thomson and Thompson suspect that the man is seeking revenge and could be hiding aboard the treasure-hunter's ship. That convinces the two officers to volunteer their services in this journey. In the end, this plot point seemingly just serves as an excuse to get Thomson and Thompson into the story. By the time the story concludes, there is nothing to indicate that Max was ever aboard the ship. Or even near it. The Thom(p)sons claim he was "discouraged by their presence". Max never appears in any later stories, either. His fate is never resolved.
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