The title says it all! If you’re looking for a quick and dirty way to pass the test this isn’t the route for you. John and Martha King have clearly been in the industry for a long time which speaks volumes about their knowledge and course design here. This particular course is the only one I’ve subscribed to and I feel it’s comprehensive yet easy to follow and provides a thorough explanation of the more difficult subject areas such as weight/balance, performance, etc.
ATP - Multiengine Ground School & Test Prep