Butler, Steve (ed.) et al., Connections in discrete mathematics. A celebration of the work of Ron Graham. Cambridge: Cambridge University Press (ISBN 978-1-316-60788-6/pbk; 978-1-107-15398-1/hbk; 978-131-665029-5/ebook). 283-296 (2018).
Breuillard, Emmanuel (ed.) et al., Thin groups and superstrong approximation. Selected papers based on the presentations at the workshop held at MSRI, Berkeley, CA, USA, February 6–10, 2012. Cambridge: Cambridge University Press (ISBN 978-1-107-03685-7/hbk). Mathematical Sciences Research Institute Publications 61, 1-22 (2014).