The ASM course is well worth the efort if you are in the steel business. You will receive several printed topic's. Each topic has a question and answer section at the back to test your knowledge. The advantage of the course is the structured learning. The book of the same title is also a good resource.If you can conceptualize the atomic structure learning heat treat is simple. Phase diagrams are self explanitory when you catch on to BCC, FCC and BCT.....