as edited or co-authored more than ten books, in=luding Bicomplex Holomorphic Functions (2015), Regular Functions of a Quaternionic Variable (2013), Noncommutative Functional Calculus: Theory and Applications of Slice Hyperholomorphic =unctions (2=11), =nalysis of Dirac Systems and Computational Algebra (2004), Fundamentals of Algebraic Microlo=al AnalysisQ (