What does the future hold for the left? How does the left adapt to, and prepare for, the crises of our time? In moments of crisis it is always important to rethink longstanding assumptions, jettison wishful thinking and dated ideas, and recover wisdom from the past. In so doing, we have the opportunity to plot a new way forward. The authors of this edited collection do just this: putting forward a diversity of approaches and issues to strategize for the work that awaits us in the 2020s, particularly in the struggle against capitalism, climate change and the far right.