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A Study in Magic
by Books of Change reviews
When Professor McGonagall went to visit Harry Watson, son of Mr. Sherlock Holmes and Dr. Watson, to deliver his Hogwarts letter, she was in the mindset of performing a familiar if stressful annual routine. Consequently she was unprepared for the shock of finding the cause behind Harry Potter's disappearance. BBC Sherlock HP crossover AU
Crossover - Harry Potter & Sherlock - Rated: T - English - Family - Chapters: 82 - Words: 516,000 - Reviews: 4255 - Favs: 3,832 - Follows: 4,112 - Updated: 3/28 - Published: 11/24/2011 - Harry P., Sherlock H., John W. - Complete
by DeltaNovember reviews
When Touhou's Izayoi Sakuya is snatched away from her master by some low-level magician from another world, she has no choice but to bide her time serving a false mistress. Just how far will the Scarlet Devil Mansion go to reclaim their lost property?
Crossover - Familiar of Zero & Touhou Project - Rated: M - English - Fantasy - Chapters: 22 - Words: 152,720 - Reviews: 336 - Favs: 237 - Follows: 246 - Updated: 3/20 - Published: 10/11/2013 - Louise, Sakuya I. - Complete
Halkegenia Online v2
by zero0hero reviews
HalO part two. Asuna and Kirito have been Reunited and Prince Wales still draws breath as war with Albion Looms on the horizon. Meanwhile Louise Valliere continues her search for the lost Pixies of Tarbes Garden only to be met with set backs and complications. They will all soon discover that they have more to fear than just Albion, and that there are worse monsters than Zombies.
Crossover - Familiar of Zero & Sword Art Online/ソードアート・オンライン - Rated: M - English - Adventure/Crime - Chapters: 58 - Words: 379,306 - Reviews: 846 - Favs: 500 - Follows: 415 - Updated: 1/18 - Published: 8/10/2013
by zero0hero reviews
Kirigaya Kazuto, Kirito, Beater of SAO, and now a Spriggan in ALfheim online, is fighting to save the love of his life from a fate worse than death. Louise De La Valliere, third daughter of the Valliere family, and student of the Tristain Academy is fighting to prove herself. Two worlds collide as a summon goes wrong and Tristain finds itself with some very confused new residents.
Crossover - Familiar of Zero & Sword Art Online/ソードアート・オンライン - Rated: M - English - Adventure/Romance - Chapters: 73 - Words: 548,335 - Reviews: 1154 - Favs: 1,042 - Follows: 746 - Updated: 8/7/2013 - Published: 1/12/2013 - Complete
by Racke reviews
Harry runs away at age four. After bringing him back, Dumbledore's attempts to keep him at Privet Drive gets progressively more ridiculously extreme with each of his escapes. Animagus!Harry, Crack
Harry Potter - Rated: T - English - Humor/Adventure - Chapters: 1 - Words: 5,884 - Reviews: 208 - Favs: 1,629 - Follows: 359 - Published: 7/8/2013 - Harry P. - Complete
Harry Potter and the Wastelands of Time
by joe6991 reviews
Take a deep breath, count back from ten… and above all else – don't worry! It'll all be over soon. The world, that is. Yet for Harry Potter the end is just the beginning. Enemies close in on all sides, and Harry faces his greatest challenge of all - Time.
Harry Potter - Rated: T - English - Adventure - Chapters: 31 - Words: 282,609 - Reviews: 2821 - Favs: 3,428 - Follows: 1,893 - Updated: 8/4/2010 - Published: 2/12/2008 - Harry P., Fleur D. - Complete
Browncoat, Green Eyes
by nonjon reviews
COMPLETE. Firefly: :Harry Potter crossover Post Serenity. Two years have passed since the secret of the planet Miranda got broadcast across the whole 'verse in 2518. The crew of Serenity finally hires a new pilot, but he's a bit peculiar.
Crossover - Harry Potter & Firefly - Rated: M - English - Adventure - Chapters: 39 - Words: 298,538 - Reviews: 4064 - Favs: 5,192 - Follows: 1,345 - Updated: 11/12/2006 - Published: 3/23/2006 - Harry P., River - Complete