Spanish readers have a new 256-page volume of translated letters, Diario de suenos: cartas de H.P. Lovecraft, Vol. II., with this “Vol II” focussing on Lovecraft’s dreams and cat letters…

all the dreams in the author’s surviving correspondence are collected [and these have] until now been unpublished in Spanish”. And as a bonus, “the final section ‘The Fabulous Adventures of the Kappa Alpha Tau Fraternity’, dedicated to Lovecraft’s letters about his feline friends.