No one expected the San Francisco 49ers to be in the 2019 Super Bowl. This book tells the gripping story of a a bunch of humble, hard-working and tough-minded overachievers who came together to form a brutal defense and explosive offense, through a 13-3 season and an astounding playoff run.A collective of eight 49ers sportswriters looks at the team's history, roster building, offensive and defensive schemes, and the many characters and stories that these season featured. Nick Bosa ...