Ch. 17 of my WIP, "A Hole In The World" (by Sherlock'sScarf) is up, and can be read at AO3, LJ and FF.

Ch. 17 Links:
AO3: [link]
LJ: [link]
and FF: [link]

Or read it from the beginning at:
AO3: [link]
LJ: [link]
FF: [link]

Spoilers below - don't read if you haven't read Chapters 1-16!:
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The sleek, black saloon drops us off at the top of Baker Street. As we exit the car, Mycroft places a lightly restraining hand on Sherlock's arm.

"Do have a care, Sherlock," he murmurs. "I wish you'd let me handle this."

"Don't be ridiculous," snorts Sherlock, shrugging away from his brother's touch. "I've planned this ambush perfectly. It's all under control."

Mycroft sighs, releasing Sherlock and sitting back against the soft leather seat.

"Very well, brother. Good hunting."

Their eyes lock for a moment, steely grey boring into icy blue, then Sherlock nods curtly.

"And to you."

He slams the heavy door, and the car glides smoothly away from the kerb.

Sherlock turns to me.

"Follow me, John."

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Read more at the links above.