I currently work within the business development environment of an engineering dept, however I have operated within the project management environment for the last 8 years and I am looking to transition into the planning environment as a specialist subject as I find the subject very interesting as it really explains how an organisation lives and breaths.
Primavera P6 and Microsoft Project books, on-line video training courses and training material available from an internationally recognised publisher. Teach yourself using on-line or book based learning or run your own in-house or public courses.