Although it's not a new concept, management books regarding employee engagement are a popular trend. They are an interesting point of view for both managers as well as employees.

The 2020 workplace: how innovative companies attract, develop, and keep tomorrow's employees today by Jeanne C. Meister and Karie Willyerd

Employees first, customers second: turning conventional management upside down by Vineet Nayar

The talent masters: why smart leaders put people before numbers by Bill Conaty and Ram Charan