两者均是指英、美等国家法学院所使用的法学教科书。casebook为“案例选编”或“判例教科书”，指一种包含法院主要判例及其评论和说明，以供学生学习讨论的教科书，收集的多为上诉法院判例，且有作者注释[1]。而hornbook则为“法学基础”或“法学基础理论教科书”，主要包含某领域法律的基本原则或学说 (rudimentary principles or doctrines of an area of law)[2]。同理，casebook method 和 hornbook method 的区别也在于前者为“判例教学法”，也称为case method、case system以及 Langdell method，主要在英美法系国家流行；而后者则是以法学原理和学说为主的“法学基础理论教学法”，也称为lecture method，主要在大陆法系国家使用，且主要集中于诸如程序法或证据法等法律领域之教学。

[1] "Type of book used in law school containing text of leading court decisions in particular field of law (e. g. , contracts, torts)，together with commentary and other features useful for class discussion and further understanding of subject as prepared by author. ”Cf. The Publisher's Editorial Staff, Black's Law Dictionary, abridged 6th edition, at p. 148 (1991).
[2]“A book explaining the basic, fundamentals or rudiments of any science or branch of knowledge. The phrase hornbook law is a colloquial designation of the rudiments or general principles of law. ”Id. at p. 507.
[3]“The hornbook method predominates in civil-law countries, and in certain fields of law, such as procedure and evidence. ”Cf. Bryan A. Gamer, Black's Law Dictionary, 7th edition, at p. 742，West Group (1999).