R. A. Bailey is Professor of Statistics at the University of St Andrews. She is a Fellow of the Royal Society of Edinburgh and a Past President of the British and Irish Region of the International Biometric Society. Her books on Association Schemes and Design of Comparative Experiments were published by Cambridge University Press in 2004 and 2008, respectively. Peter J. Cameron is Professor of Mathematics at the University of St Andrews. He was chair of the British Combinatorial Committee for thirty years. He is a Fellow of the Royal Society of Edinburgh, and was awarded the London Mathematical Society's Senior Whitehead Prize in 2017 and the Euler Medal of the Institute of Combinatorics and its Applications in 2003. Yaokun Wu is Professor of Mathematics at Shanghai Jiao Tong University. He arranged the 2019 lecture courses on which the current book is based.

• 1. Topics in representation theory of finite groups Tullio Ceccherini-Silberstein, Fabio Scarabotti and Filippo Tolli; 2. Quantum probability approach to spectral analysis of growing graphs Nobuaki Obata; 3. Laplacian eigenvalues and optimality R. A. Bailey and Peter J. Cameron; 4. Symbolic dynamics and the stable algebra of matrices Mike Boyle and Scott Schmieding; Author index; Subject index.