Hey! It's PART FOUR! (Also, I think I got the order the kids were found mixed up. But does it really matter? They all end up the same place anyway.)
Time-Compressed Tamora Pierce

Fourth quartet: Circle of Magic

Sandry's Book

Sandry: IT GLOWS!

Sandry gets out of a dark room with Niko's help.

Daja: Nobody knows the trouble I've seen, nobody knows my sorrow...

Daja is declared an outcast by the Traders and adopted by Niko.

Tris: Feel my wrath, puny mortals!

Lightning: *crack!*

Niko takes Tris some place safe.

Briar: Yo. I'm Roach and I'm on death row.

Niko takes Briar away.

Niko: Rosethorn, Lark, these kids have magic. Teach 'em.

Lark: Sure thing, Niko!

Sandry has thread magic, Tris has weather, Daja has smithing, and Briar has plants.

The kids learn to meditate.

Briar: Ohmmm...

The kids gets stuck in a earthquake!

Earth: *quakes*

Sandry: Let's spin our magic together and scare everyone half to death!

Daja: Okay!

Tris's Book

Tris's cousin: Yo ho ho ho and bottle of rum!

Briar: ...Idiot.

Tris drops a cannonball on a pirate ship.

Niko teaches Tris, along with the other three, how to see magic.

The kids defeat the pirates.

Daja's Book

Daja: We're out in the middle of nowhere.

Trader: I like your stuff but I can't barter with you 'cause you're evil and an outcast.

Daja: Suxxor.

Sandry: I have to untangle our magics!

Tris: Bah humbug.

A forest fire starts.

Fire: Roar.

Daja stops the fire.

Briar's Book

Rosethorn: There's a plague a-comin'!

Briar: Damn.

Rosethorn gets sick.

Rosethorn: I'm dead.

Briar: Nuh-uh.

Briar saves her with the others' help.