[1] Mack works with established and emerging artists, writers and curators, and cultural institutions, releasing around 40 books per year.

[1] Mack takes part in various art and book fairs, showcasing new titles, participating in talks, and organising artist book signings.

These annual events include The London Book Fair in March; AIPAD in NYC in April; LA Art Book Fair in April; PhotoLondon in May; Rencontres d'Arles, in July; the NY Art Book Fair in September; Frankfurt Book Fair in October; Paris Photo in November.

In 2012, Mack established the First Book Award,[9] in collaboration with the National Media Museum, Bradford and the Wilson Centre for Photography, London.

Submission was via an array of nominators who were asked to recommend projects.