The Adventures of Tintin: Prisoners of the Sun - Hergé
The one with the total eclipse of the sun Prisoners of the Sun is the second part of a story started in The Seven Crystal Balls , but really, until very late in the adventure, there’s little reference made to events in the earlier book and consequently, there’s no need to have read the previous book, terrific though it is (one of the best Tintin adventures, in fact), since as far as second part is concerned, it can be summed up as… Calculus has been kidnapped. Well, ok, to expand slightly on that since it’s a regular occurrence in Tintin adventures, Calculus has been kidnapped and taken to Peru, although the reasons for his abduction are rather flimsy, it seeming to be on account of him inadvertently picking up and wearing a precious artefact belonging to the mummy of the ancient Inca ruler Rascar Capac (which seems to have disappeared, vaporised in a ball of lightning in the last book). All you really need to know is that Tintin, Snowy and Captain Haddock are in Peru to try to rescue...