Pilgrims Don't Wear Pink by Stephanie Kate Strohm

Libby Kelting is a history nerd.  Which is why she's going to live at Camden Harbor in the Museum of Maine and the Sea, where it's always 1791.  The only thing is that Libby is totally into fashion.  Short-shorts, high heels, lots of makeup, and can't live without her cell phone.  So she is totally horrified when she has to wear a uniform whenever she isn't in her 1800's costume because khaki shorts and a aquamarine polo T-shirt are so not cute.  Plus, there is no makeup or cell phones!!  And Libby needs to impress, because this place has totally cute boys, mainly Cameron, the super cute Squaddie who chops the wood for her wood stove and climbs ropes on ships all day.  Thankfully, she manages to acquire some saucy 1800's gowns instead of sackcloth dresses, and improvises on the makeup.  Beets and ash are perfect for blush, lipstick, and eyeshadow.  As for the cell phone... well, she has to sneak that into her costume.  Her best friend, Dev, wouldn't survive as an intern in the fashion world of New York's Teen Mode, without her!  Libby spends her days teaching a bunch of cute little eight year olds how it was to live in 1791 and her nights trying to avoid talking to Ashling, her super annoying roommate who takes the whole 1800's thing waaaay to seriously.  Libby isn't even sure Ashling wore modern undergarments under her costume.  Gross.  So when one of the reporters from town wants to do an article about a ghost that supposedly haunts one of the ships, but needs a chaperone while he lives on the ship because he doesn't work for the museum, Libby volunteers, glad for an excuse to get away from Ashling.  Even though she doesn't particularly like the reporter, Garret, whom she met under undesirable circumstances.  With Cameron, the little girls, the rules, secret cell phone calls, and her secret stash of historical romance (there was nothing else to read in the library!), Libby is starting to feel slightly flustered.  Especially with her nights on a haunted boat with an arrogant reporter.  Like when she ventures out with Garret on one of his ghostly stake-outs and they see the ghost.  Creepy with a capitol C.  And Cam is a lot older than her and his friends are kinda mean.  And things might be going a little too far when she has to dress up like a pirate wench for a sea shanty thing.  Or Betsy Ross for the Fourth of July.  Curse Roger and his costume ideas.  And what's up with Garret?  Maybe Dev was right and pilgrims don't wear pink.