​The late Al Sommer is among giants who forged previous editions of this student-friendly casebook carried on through several editions by Lawrence Cunningham. The ninth edition retains the book's strengths, including problems starting every chapter, cases supported by clear narrative, and juxtaposition of the MBCA and DGCL. It complements classics with up-to-date cases, moving smoothly from Van Gorkom to Cornerstone; Weinberger to M&F Worldwide; and Revlon to Corwin. The opening fourth addresses alternative forms of business organization, the middle half rivets on corporations, and the final fourth treats relevant securities regulation. This book is ideal for Business Organizations at small and medium law schools and Corporations at large schools.