http://tvtropes.org/pmwiki/pmwiki.php/Fridge/BlackBook Following Fridge / Black Book Go To × Edit Locked Film Fridge Laconic Trivia YMMV Create New - Create New - Analysis Awesome Characters FanWorks FanficRecs Funny Haiku Headscratchers Heartwarming ImageLinks NightmareFuel PlayingWith Quotes Recap ReferencedBy Shocking TearJerker Timeline WMG Fridge Logic Why would the barge captain drive a zig-zag course - a tactic intended to counter submarine ambushes on the high seas - on a river?