WHEN HARLEY QUINN GOES UNDERCOVER AS A CRIMINAL FOR AN ACADEMIC PROJECT, THE RESULT IS A DEADLY LESSON...FROM MR. FREEZE! Written by Tini Howard, Ted Brandt, Ro Stein, Erica Henderson, Grace Ellis, Alexis Quasarano, Joanne Starer and Gretchen Felker-Martin; Art by Natacha Bustos, Sweeney Boo, DaNi, Riccardo Federici, Ro Stein, Marcial Toledano Vargas and Erica Henderson! Now Harley, guest star Robin, and one of Gotham's Finest are all that stands between Gotham City and five hundred metric tons of ice! Plus, Harley's birthday hijinks, a fight with Kite-Man, and unexpected adventures from HQ's wildest dreams, with outer-space adventures, barbarian beefcake fantasy, and more! Collects HARLEY QUINN #38-43.