These are my grades for each story: 
 "Some Fortunate Futer Day" by Cassandra Clare: B 
 "The Last Ride of the Glory Girls" by Libba Bray: B- 
 "Clockwork Fagin" by Cory Doctorow: B- 
 "Seven Days Beset by Demons" by Shawn Cheng: B+ 
 "Hand in Glove" by Isabeau S. Wilce: B 
 "The Ghost of Cwmlech Manor" by Delia Sherman: B 
 "Gethsemane" by Elizabeth Knox: D 
 "The Summer People" by Kelly Link: D 
 "Peace in Our Time" by Garth Nix: D 
 "Nowhere Fast" by Christopher Rowe: B- 
 "Finishing School" by Kathleen Jennings: C 
 "Steam Girl" by Dylan Horrocks: D 
 "Everything Amiable and Obliging" by Holly Black: A 
 "The Oracle Engine" by M.T. Anderson: C