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Effects and Side Effects
by Pheonix Dawn reviews
Voldemort didn't like what happened at the Department of Mysteries and viewed the connection as a liability he could no longer afford. The steps he took changed Harry's life forever, and set him on the path to victory. Fem Harry. Harry.Multi.
Harry Potter - Rated: M - English - Adventure/Romance - Chapters: 37 - Words: 453,769 - Reviews: 1918 - Favs: 3,651 - Follows: 4,076 - Updated: 12/30/2015 - Published: 10/19/2008 - Harry P.
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: 32218 - Favs: 19,193 - Follows: 15,667 - Updated: 3/14/2015 - Published: 2/28/2010 - Harry P., Hermione G. - Complete
A Butterfly Effect
by SlyGoddess reviews
A simple choice: today or tomorrow? Conceived a day earlier, a heroine, not a hero, is born. With every step, with every waking breath, Harriet Lily Potter rewrites history. But is the world truly ready to be rewritten? Does Ginny Weasley fully comprehend what it might mean to befriend this lonely, love-starved girl? - Femslash&Het - H/G main - Full summary inside -BACK FROM HIATUS
Harry Potter - Rated: M - English - Adventure/Romance - Chapters: 28 - Words: 450,130 - Reviews: 1407 - Favs: 1,302 - Follows: 1,432 - Updated: 2/20/2013 - Published: 5/29/2010 - Harry P., Ginny W.
Hiding in Plain Sight
by Clell65619 reviews
The summer prior to 6th year Harry deals with Tom in a decisive, if accidental manner. That summer Harry gets a girl friend in Susan Bones, and sets about some self improvement. It is after this change to himself he discovers something a bit disturbing about the Wizarding World, something that Hermione Granger is determined to use to her advantage.
Harry Potter - Rated: T - English - Humor/Adventure - Chapters: 1 - Words: 10,665 - Reviews: 433 - Favs: 2,760 - Follows: 773 - Published: 1/23/2013 - Harry P., Susan B. - Complete
The Accidental Bond
by kb0 reviews
Harry finds that his "saving people thing" is a power of its own, capable of bonding single witches to him if their life is in mortal danger, with unusual results. H/multi
Harry Potter - Rated: M - English - Drama/Adventure - Chapters: 33 - Words: 415,017 - Reviews: 3932 - Favs: 5,625 - Follows: 4,354 - Updated: 1/16/2013 - Published: 12/23/2009 - Harry P. - Complete
An Old and New World
by Lens of Sanity reviews
Harry meets Bella and Sirius during the Azkaban Prologue… He comes out a little brassed off, and a whole lot apathetic… Then there was the Goblet and the Tournament… By fifth year he's a whole different animal… Heh well, the world wants its Hero…
Harry Potter - Rated: T - English - Adventure/Humor - Chapters: 37 - Words: 187,064 - Reviews: 789 - Favs: 1,573 - Follows: 759 - Updated: 9/17/2011 - Published: 3/26/2011 - Harry P., Fleur D. - Complete
Searching For The Power
by GinnyMyLove reviews
Hermione is told Love might be the Power-He-Knows-Not and vows to help Harry find it at any cost. Be Warned of some R/Hr until chpt 20 but skipping those chapters means missing out on H/Hr/G goodness. This is rated MATURE for ADULT CONTENT. Harry/Many
Harry Potter - Rated: M - English - Humor/Romance - Chapters: 79 - Words: 573,420 - Reviews: 973 - Favs: 1,756 - Follows: 844 - Updated: 10/27/2010 - Published: 3/3/2010 - Harry P. - Complete
30 Minutes That Changed Everything
by Radaslab reviews
AU. Year 2148: Gobal Population: 1. He made a mistake 150 years ago or so and now the human race no longer exists. For a century or so, he has sought a way to fix it all. Can he, or is the end of the world inevitable?
Harry Potter - Rated: T - English - Adventure/Friendship - Chapters: 55 - Words: 352,127 - Reviews: 3292 - Favs: 3,897 - Follows: 1,797 - Updated: 10/29/2009 - Published: 6/29/2009 - Harry P., Hermione G. - Complete