This book is for fast and acxurate exam preparation, not an outline. The writer's own bar essays were all published. Excerpt: An assignee's interest vests as soon as he knows of the assignment, relies on it, or sues on it. If an assignee is a donee who did not pay for the assignment to him, the original parties may change the contract at any time. But if the assignee a person who paid value the original contract cannot be changed if the assignment...