This is a set of 6 paperback series books for 5th graders. ① The Pearl Curse 　First term start issue 　Publication date: May 1, 1972 ② The Scarlet Pimpernel 　Spring to Summer study issue 　Publication date: June 1, 1972 ③ Lupin and the Boy Detectives 　Early Summer study issue 　Publication date: July 1, 1972 ④ Dracula the Vampire 　Summer study issue 　Publication date: August 1, 1972 ⑤ The Adventures of Detective Holmes 　Summer vacation special issue 　Publication date: September 1, 1972 ⑥ The Secret of the Black Briefcase 　Second term start issue 　Publication date: October 1, 1972 Size: Height approx. 14-14.5cm 　　　Width approx. 10-10.5cm These are 2nd study materials. There is damage such as age-related deterioration, yellowing, dirt, folds, stains, and scratches, but they should be readable. Photos of all damaged areas are not included. They have not been cleaned, so dust and dirt are as they are. The color of the photos may appear slightly different from the actual product due to screen lighting and color reproduction environment. Please understand that these are used books that are over 50 years old before purchasing.