Description The skinny second grader first introduced in The Case of the Missing Chancleta and Other Top-Secret Cases / La chancleta perdida y otros casos secretos is back on the case in the second installment of the bilingual series, The Flaca Files / Los expedientes de Flaca. Narrated by Detective Flaca in hard-boiled detective style, this short, bilingual novel for intermediate readers will appeal to seasoned and reluctant readers alike.