Content on this page is reproduced from the BLS LibGuide: Wills, Trusts & Estates by Grace Wagner (& updated by Jean Davis).
Wills, Trusts, and Estates by 
Family Property Law: Cases and Materials on Wills, Trusts, and Estates by Hornbooks are primers for study. The term "hornbook" originated in England. In the U.S., a legal hornbook is a text that provides an overview of an area of law. A legal hornbook is a type of treatise. It might be a shorter (often single-volume) version of a multi-volume treatise. Students in U.S. law schools often use a hornbook as a supplement to a casebook.
Wills, Trusts and Estates Including Taxation and Future Interests by Restatements of the Law are frequently cited secondary sources published by the American Law Institute (ALI). According to ALI's FAQs, Restatements are "primarily addressed to courts." A Restatement section generally includes: "black letter" law in bold text; a Comment (which includes illustrations); a Reporter's Note; & Case Citations (to decisions that cite to a Restatement section). For a more detailed description of Restatements, see this BLS Library LibGuide.
According to the source description, this volume in the Understanding series includes "examples, charts, cross-references among similar concepts and frameworks for analyzing problem areas" to help students deepen their understanding of trusts and estates. "Examples throughout the book demonstrate how trusts and estates doctrines affect real people."
Understanding Trusts and Estates by This volume of Examples & Explanations includes hypothetical questions and in-depth explanations to help students test their knowledge/analysis of topics.
Wills, Trusts, and Estates (Examples & Explanations series) by The Emanuel Law Outlines below provide both capsule and detailed explanations of key issues, topics and law. Chapters include a "Quiz Yourself" feature (short answer questions & sample answers) + Exam Tips. At the end of both outlines, there are 3 Essay Exam Questions/Answers.
Wills, Trusts, and Estates, keyed to Sitkoff/Dukeminier (Emanuel Law Outlines series) by Older Emanuel Law Outline available in Aspen Learning Library:
Wills, Trusts, and Estates (Emanuel Law Outlines series) by Nutshells are short works that provide simple overviews of legal topics. Do not cite a Nutshell in a legal document.
Federal Income Taxation of Estates, Trusts, and Beneficiaries in a Nutshell by 
Wills and Trusts in a Nutshell by 
Uniform Probate Code and Uniform Trust Code in a Nutshell by 
Estates, Future Interests, and Powers of Appointment in a Nutshell by This volume of Gilbert Law Summaries includes 100 multiple choice review questions/answers and practice exam essay questions/answers for students.
Estate and Gift Taxation (Gilbert Law Summaries) by