Contract Law For Dummies tracks to a typical contracts course and assists you in understanding the foundational legal rules controlling voluntary agreements. Contract Law For Dummies is an incredibly informative and well-written book that provides a comprehensive introduction to the complex world of contract law.Contract Law For Dummies®. Ch 9 Pt 1 Basic Contract Intro and Terms through Bilateral and Unilateral. For a contract to be legally enforceable it must have three components and offer and acceptance and consideration are there. The critical factors are (1) that the parties each agreed to a deal in which (2) each of them gives something up and gets something in return. Venue and choice of law: The contract may say either side has to file a lawsuit in a particular state with the laws of that state, not California.