Ministeck join tutorial by Charami, in Dutch with charts.

How to :: A nice, tight join on the last round - join as you go. Corners are uncomplicated, too. Good method to know. . . . . ღTrish W ~ . . . . #crochet #technique #JAYG

Several different granny square joining tutorials....nice site!

Great tutorial on the continuous join, that actually makes a really pretty corner

Half Flower Tutorial

Crochet Celtic Lace Join - tutorial

Rosie Posie Grannie Square Tutorial

His Design 6" square. With new way to crochet beginning double crochet without using ch 3. amazing idea.

invisible join

Playin' Hooky Designs: Invisible Finish

Flower Burst Square Block 33: Flower Burst Square {Photo Tutorial...ish}

African Flower Square Tutorial

Continuous Join-as-you-go (with link to YouTube tutorial of Crochet Cabana!

How to crochet granny ripple

Bobble stitch tutorial with chart

Crochet - How to achieve that woven look - Tutorial - this is very simple!

Wanna know how to properly join-as-you-go hexagons?  Then moonstitches is the place for you!  What a great little tutorial.  Highly recommended.

Joining the squares - link to video tutorial

geometric pillow tutorial

Crochet Joining Techniques from Talking Crochet

12 inch square