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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... Ch. 112: Failure, Pt. 2.
Harry Potter - Rated: T - English - Drama/Humor - Chapters: 112 - Words: 619,173 - Reviews: 26178 - Favs: 15,314 - Follows: 14,132 - Updated: 2/25 - Published: 2/28/2010 - Hermione G., Tom R. Jr.
Harry Potter and the Nightmares of Futures Past
by S'TarKan reviews
The war is over. Too bad no one is left to celebrate. Harry makes a desperate plan to go back in time, even though it means returning Voldemort to life. Now an 11 year old Harry with 30 year old memories is starting Hogwarts. Can he get it right?
Harry Potter - Rated: T - English - Adventure/Romance - Chapters: 40 - Words: 399,969 - Reviews: 12777 - Favs: 15,926 - Follows: 14,690 - Updated: 2/20 - Published: 10/28/2005 - Harry P., Ginny W.
Harry Potter and the Boy Who Lived
by The Santi reviews
Harry Potter loves, and is loved by, his parents, his godfather, and his brother. He isn’t mistreated, abused, or neglected. So why is he a Dark Wizard? NonBWL!Harry. Not your typical Harry’s brother is the Boy Who Lived story.
Harry Potter - Rated: M - English - Adventure - Chapters: 12 - Words: 147,796 - Reviews: 3726 - Favs: 6,845 - Follows: 6,842 - Updated: 1/3 - Published: 9/3/2009 - Harry P.
On the Way to Greatness
by mira mirth reviews
As per the Hat's decision, Harry gets Sorted into Slytherin upon his arrival in Hogwarts—and suddenly, the future isn't what it used to be.
Harry Potter - Rated: M - English - Chapters: 20 - Words: 232,797 - Reviews: 3150 - Favs: 7,423 - Follows: 8,531 - Updated: 9/4/2014 - Published: 12/26/2008 - Harry P.
Harry Potter and the Story by Dad
by Dad9 reviews
A post HBP book seven substitute started well before DH. It is a HHr book. Ron and Ginny stay likable. I try to stay with the canon as much as possible and will eventually explain all actions and abilities. Please read the intro for more details.
Harry Potter - Rated: M - English - Adventure/Romance - Chapters: 140 - Words: 949,800 - Reviews: 2303 - Favs: 1,249 - Follows: 1,247 - Updated: 9/3/2014 - Published: 12/22/2006 - Harry P., Hermione G.
Forging the Sword
by Myst Shadow reviews
::Year 2 Divergence:: What does it take, to reshape a child? And if reshaped, what then is formed? Down in the Chamber, a choice is made. (Harry's Gryffindor traits were always so much scarier than other peoples'.)
Harry Potter - Rated: T - English - Adventure - Chapters: 15 - Words: 152,578 - Reviews: 2812 - Favs: 6,136 - Follows: 7,572 - Updated: 8/19/2014 - Published: 5/26/2007 - Harry P., Ron W., Hermione G.
Harry & the Mysterious Curse of the GirlWhoLived
by Lord Jeram reviews
Harry always knew that there was something unique about him. In a way, the arrival of the Hogwarts acceptance letters was almost expected... except, why are they all addressed to 'Harriet Potter?
Harry Potter - Rated: T - English - Adventure/Humor - Chapters: 15 - Words: 120,403 - Reviews: 525 - Favs: 1,174 - Follows: 1,599 - Updated: 2/24/2014 - Published: 9/22/2010 - Harry P.
Masters and Commanders
by willyolioleo reviews
Slightly AU, neutral, male, Vanguard Shepard. A retelling of the trilogy where the Reapers truly have a grand purpose for their actions. Rated M for language and future scenes. No pairings planned at the moment.
Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 29,761 - Reviews: 36 - Favs: 52 - Follows: 57 - Updated: 9/27/2013 - Published: 7/12/2012 - Shepard (M)
by Lord Silvere reviews
Harry is a prisoner, and Bellatrix has fallen from grace. The accidental activation of Bella's treasured heirloom results in another chance for Harry. It also gives him the opportunity to make the acquaintance of the young and enigmatic Bellatrix Black as they change the course of history.
Harry Potter - Rated: T - English - Chapters: 46 - Words: 392,449 - Reviews: 6733 - Favs: 8,198 - Follows: 6,551 - Updated: 9/21/2013 - Published: 11/14/2009 - Harry P., Bellatrix L. - Complete
Harry Potter and the Temporal Beacon
by willyolioleo reviews
At the end of 3rd year, Hermione asks Harry for some help with starting an interesting project. If a dark lord's got a 50-year head start on you, maybe what you need is a little more time to even the playing field. AU, Timetravel, HHr, mild Ron bashing. Minimizing new powers, just making good use of existing ones.
Harry Potter - Rated: T - English - Adventure - Chapters: 70 - Words: 428,826 - Reviews: 4954 - Favs: 4,294 - Follows: 4,879 - Updated: 9/19/2013 - Published: 11/30/2010 - Harry P., Hermione G.
The Pureblood Princess
by TheEndless7 reviews
Daphne Greengrass always had a plan. She liked being organized. But the Dark Lord's return at the end of her fifth year derailed everything, and now she must decide who will best help her find the life she always wanted.
Harry Potter - Rated: M - English - Romance - Chapters: 19 - Words: 190,399 - Reviews: 1247 - Favs: 1,986 - Follows: 1,442 - Updated: 2/18/2013 - Published: 4/27/2011 - Harry P., Daphne G. - Complete
After the Dawn
by Ms Shay X Pear reviews
Harry Potter has defeated Voldemort. The wizarding world is finally at peace. But one old enemy managed to survive the curse that should have killed her... and she has a few tricks up her sleeve. NC17 for later chapters.
Harry Potter - Rated: M - English - Drama/Romance - Chapters: 19 - Words: 21,154 - Reviews: 113 - Favs: 203 - Follows: 220 - Updated: 3/15/2011 - Published: 8/10/2010 - Harry P., Bellatrix L.
Message in a Bottle
by Angry Hermione reviews
A life of regret and an endless, devastating war causes Harry to do the unthinkable... meddle with time. Can he rewrite the past or will his efforts be in vain? - AU - HHr - *Warning, abuse alert!* - updates Indefinitely postponed -Gomen-
Harry Potter - Rated: M - English - Drama/Romance - Chapters: 19 - Words: 89,634 - Reviews: 977 - Favs: 1,201 - Follows: 1,687 - Updated: 2/2/2011 - Published: 11/22/2006 - Harry P., Hermione G.
Too Much Time On My Hands
by neopyro reviews
Harry decides that the world's chances are looking pretty bleak after the loss of Dumbledore. With the help of his friends, he sends himself back in time and transfers all his knowledge of the future to his one year old self. AU
Harry Potter - Rated: T - English - Adventure - Chapters: 26 - Words: 68,179 - Reviews: 2399 - Favs: 2,868 - Follows: 3,819 - Updated: 11/29/2010 - Published: 5/17/2006 - Harry P.
Harry Potter and the Quantum Leap
by Seel'vor reviews
Harry Potter won the Second Blood War and defeated his enemies... and was left with nothing. Decades later, he contributes to the creation of a revolutionary new piece of technology and destroys the future in order to rewrite his own past...
Harry Potter - Rated: M - English - Adventure/Romance - Chapters: 42 - Words: 274,521 - Reviews: 4518 - Favs: 6,050 - Follows: 6,199 - Updated: 10/28/2010 - Published: 12/17/2007 - Harry P., Hermione G.
A Champion's New Hope
by Rocag reviews
Beginning during the Goblet of Fire, Harry looks to different friends for support after both Ron and Hermione refuse to believe that he did not put his name in the Goblet. Including one unexpected friend: Daphne Greengrass.
Harry Potter - Rated: T - English - Adventure - Chapters: 52 - Words: 274,401 - Reviews: 3748 - Favs: 6,825 - Follows: 3,744 - Updated: 7/23/2010 - Published: 7/24/2009 - Harry P., Daphne G. - Complete
Bungle in the Jungle: A Harry Potter Adventure
by jbern reviews
If you read just one fiction tonight make it this one. Go inside the mind of Harry Potter as he deals with betrayals, secrets and wild adventures. Not your usual fanfic.
Harry Potter - Rated: M - English - Adventure - Chapters: 23 - Words: 189,882 - Reviews: 2069 - Favs: 3,711 - Follows: 1,007 - Updated: 5/8/2007 - Published: 4/12/2006 - Harry P., Luna L. - Complete
Harry Potter and the Power of Time
by RossWrock reviews
Now AU, 6th Year, following OoTP. Tired of the way Dumbledore and the Order treat him, and ready to face his destiny, Harry dedicates long hours to muggle and magical training to take the fight to Voldemort for a change. Slight HPGW, not shippy though.
Harry Potter - Rated: T - English - Adventure - Chapters: 29 - Words: 470,346 - Reviews: 4571 - Favs: 3,938 - Follows: 2,903 - Updated: 4/25/2007 - Published: 12/31/1969 - Harry P.
Harry Potter and the Three Travelers
by shlamboozle reviews
Starting minutes after HBP ended, follow along as Harry begins his journey to collect the Horcruxes and fulfull his destiny... HHR...
Harry Potter - Rated: M - English - Romance/Adventure - Chapters: 13 - Words: 206,278 - Reviews: 460 - Favs: 1,263 - Follows: 272 - Updated: 6/17/2006 - Published: 11/2/2005 - Harry P., Hermione G. - Complete
Harry Potter and the Burden of Becoming
by fisico reviews
As Harry struggles with the guilt of Sirius' death, new neighbors arrive. This foreign family has a very beautiful daughter, and she's taken a liking to Harry. He must hide his own true identity, but is this girl all she claims to be?
Harry Potter - Rated: T - English - Romance/Adventure - Chapters: 78 - Words: 372,411 - Reviews: 561 - Favs: 602 - Follows: 214 - Updated: 10/21/2005 - Published: 6/29/2005 - Harry P. - Complete
Harry Potter and the Maw
by WoMo reviews
Harry Potter's full sixth year. After the confrontation in the Department of Mysteries and Sirius's death, Harry's world has been warped around. Includes a sadistic Hit Wizard, incompetent DADA professor, and plenty of twists and originality.
Harry Potter - Rated: T - English - Adventure/Romance - Chapters: 34 - Words: 356,153 - Reviews: 451 - Favs: 310 - Follows: 95 - Updated: 8/11/2005 - Published: 10/25/2004 - Harry P., Hermione G. - Complete