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Harry Potter and the Methods of Rationality
by Less Wrong reviews
Petunia married a biochemist, and Harry grew up reading science and science fiction. Then came the Hogwarts letter, and a world of intriguing new possibilities to exploit. And new friends, like Hermione Granger, and Professor McGonagall, and Professor Quirrell... COMPLETE.
Harry Potter - Rated: T - English - Drama/Humor - Chapters: 122 - Words: 661,619 - Reviews: 31553 - Favs: 17,936 - Follows: 15,119 - Updated: 3/14/2015 - Published: 2/28/2010 - Harry P., Hermione G. - Complete
Harry Potter and the Four Heirs
by Sinyk reviews
Merlin, not happy with how the future unravelled for the life of Harry Potter, intervenes early to set the course of history back on track. Implied Pairing Only. Smart!Harry Bash!AD Idiot!RW
Harry Potter - Rated: K - English - Adventure - Chapters: 30 - Words: 282,458 - Reviews: 1455 - Favs: 4,213 - Follows: 1,773 - Updated: 3/27/2013 - Published: 2/25/2013 - Harry P., Neville L., Hermione G., Susan B. - Complete
The Time Meddlers
by witowsmp reviews
After things have gone terribly in the war, Harry and Hermione decide to travel back in time to stop the war from happening. Things go well at first, until...
Harry Potter - Rated: T - English - Adventure - Chapters: 32 - Words: 118,030 - Reviews: 2806 - Favs: 3,402 - Follows: 2,315 - Updated: 10/14/2010 - Published: 2/8/2008 - Harry P., Hermione G. - Complete
by MissAnnThropic reviews
Following the events of the Goblet of Fire, Harry spends the summer with the Grangers, his relationship with Hermione deepens, and he and Hermione become animagi.
Harry Potter - Rated: M - English - Romance/Drama - Chapters: 68 - Words: 323,186 - Reviews: 4201 - Favs: 7,510 - Follows: 2,078 - Updated: 3/30/2007 - Published: 10/6/2006 - Harry P., Hermione G. - Complete
Twelve Dark Moons
by Sophiax reviews
As a captive of Lord Voldemort, Luna Lovegood never thought she would live beyond the first 24 hours. Saved at first by her quick wit, Luna learns the depth of human evil…and becomes the Dark Lord’s greatest weakness. Eventually LVLL.
Harry Potter - Rated: M - English - Drama - Chapters: 25 - Words: 108,916 - Reviews: 747 - Favs: 1,131 - Follows: 222 - Updated: 2/24/2007 - Published: 7/10/2006 - Voldemort, Luna L. - Complete
Murder at Malfoy Manor
by Sophiax reviews
Lucius Malfoy is found murdered at his home during a hunting weekend. The Trio, along with Ginny, Draco, Narcissa, Snape, Dumbledore and Voldemort each have their reasons for wanting Malfoy dead. But will they solve the mystery in time? Parody of Clue.
Harry Potter - Rated: T - English - Mystery/Parody - Chapters: 17 - Words: 65,716 - Reviews: 316 - Favs: 165 - Follows: 50 - Updated: 6/3/2006 - Published: 2/2/2006 - Draco M., Ginny W. - Complete
by old-crow reviews
Complete. Harry makes a decision at the train platform at the end of year 5. Two little words change lives forever. Revised 606.
Harry Potter - Rated: T - English - Romance/Angst - Chapters: 20 - Words: 95,688 - Reviews: 2873 - Favs: 5,121 - Follows: 1,255 - Updated: 5/26/2005 - Published: 2/21/2005 - Harry P., Hermione G. - Complete