60 original frames to read one at a time, each one read out in plain words next to it, until reading a callout feels routine.

40 MMC and LMC problems worked step by step, so you can figure bonus tolerance and virtual condition from the numbers on the print without second-guessing.

See the changes between the two editions side by side, so you know what a print that calls out 2009 can still show and a 2018 print can't.