Booker visits Michigan State officially on September 6th. Then went to Kentucky a few days later for their Alumni game festivities on the 8th. His official to Michigan was the weekend of October 4th. Missouri had him on campus officially on October 18th.
He's also taken unofficial visits to Michigan, Michigan State and Missouri. His last unofficial visit was to Missouri last weekend, where he saw his father - Melvin Booker - recognized with his 1994 Missouri team.
Booker, a four-star prospect, is ranked No. 31 overall in the 2014 class.