SAPIX 6th Grade Social Studies Textbooks: Regular, Spring Break, and Summer Break Courses ⭐︎Daily SAPIX (Regular Classes) 640-01 to 38 ⭐︎Spring SAPIX (Spring Break Course) H64-01 to 03 ⭐︎Summer SAPIX (Summer Break Course) N64-01 to 09 SAPIX problems are often excellent and clearly summarize the key points needed for exams. For previewing, or for those from other cram schools to use for double-checking against their own school's materials... Textbooks and answer keys are complete. There are some written notes, but many pages are unused. Names have been erased with an eraser or a name stamp. These were used by my child, so we ask for your understanding. This is the 2018 edition.