I'm just wedging this here in hopes it may be helpful for the rare new player lost in early career mode. I'm actually doing these for a couple of co-workers who have bought KSP following my endless boring stories about delta-V and blowing up a small green guy named Jeb. So yeah, now I feel like a cult recruiter.
Anyway, I'll post them here as I finish them this weekend.
Kerbal Space Program 1.05 Career Tutorial - Part 1
Kerbal Space Program 1.05 Career Tutorial - Part 2