Crochet Pattern. Help!?

I do not understand at all models. I do not receive one of the abbreviations. Could someone explain please help … about all this? EASY Hook These chaps are the most popular in the middle of winter when temperatures drop and the wind moaning, but be sure to have girls and ready to wear. Directions are given for size 9-11. You will need two 4 oz, 4 skeins of yarn strands and sizes I and K crochet hooks. Gauge: 3 hdc equals 1 inch from the bottom edge with small hook, CH 30, join with mc-ring, ch 2, do not rotate. Row 1: sc in each ch, join with sl st in top of ch-2, 2 ml, do not rotate. Rows 2-8: Repeat row 1. Row 9: With larger hook, ch 2, hdc in each dc around, Join with sl st in top of ch-2, ch 2, turn. Row 9 to the desired length, after last mc, THANK you stop over in advance!

Here's a link for you, but it would be helpful if you had a book with you to see. There are many good models and the public library.

How to Crochet-Tension and Gauge