Storytelling with Data - because so many people are bad at PowerPoint:
http://www.storytellingwithdata.com/book
R for Data Science - because it is such a solid foundation for a career in business analytics: http://r4ds.had.co.nz
And for extra credit two books I hope my collegues DON'T read since they are best kept secret are Cialdini's two books on influence: https://en.m.wikipedia.org/wiki/Robert_Cialdini