Welcome to Civil Procedure. Please read the assignment below (CB refers to the Yeazell Casebook); You may obtain the Federal Rules of Civil Procedure (FRCP) from any source but make sure it is the 2016 or later version:

Jan. 14: The Process of Adjudication: Pleading (cont.)
The Story of Pleading (Iqbal & Allocating Burdens)

CB: 380-97; 402-09: FRCP 7, 8 & 12 
Supplemental: Jones Day Commentary on Iqbal: http://www.jonesday.com/pleading_facts/