Construction law is contract law under conditions of maximum stress: dozens of parties, thousands of interdependent obligations, a schedule that compounds every failure, and a product that cannot be returned. This guide works through the whole system. It starts with project delivery methods and the standard-form contract families that govern most American construction, then examines the four allocations every construction contract makes: scope, price, time, and risk. It develops the Spearin implied warranty of plans, differing site conditions, the change-order machinery and constructive changes, and then turns to the hardest area in the field: schedule delay analysis, including critical path method, excusable versus compensable delay, concurrent delay, no-damage-for-delay clauses, liquidated damages, acceleration, and unabsorbed overhead under Eichleay. It then covers defect litigation, from substantial performance and the economic loss rule through implied warranties, right-to-repair statutes, and statutes of repose, along with design professional liability, insurance and indemnity, safety obligations, termination, and the dispute resolution ladder. Educational, not legal advice; construction law is intensely state-specific.