So he accepted Sister Catherine’s offer. Five minutes later he and Amelia were lying down in the aisle of a yellow school bus as Sister Catherine fired it up and pulled it out of the school grounds and onto the streets of Tuaba. Her proficiency with the vehicle’s manual transmission, the adroitness with which she gunned it through traffic, her hair-trigger approach to application of the horn, all made Willem wonder what other skill sets this nun had acquired during her (he estimated) three decades as a bride of Christ.