diff --git a/book-9-lesson-1/page_012_005.jpg b/book-9-lesson-1/page_012_005.jpg index 4ae5bca6..13bece6d 100644 Binary files a/book-9-lesson-1/page_012_005.jpg and b/book-9-lesson-1/page_012_005.jpg differ diff --git a/book-9-lesson-2/page_042_005.jpg b/book-9-lesson-2/page_042_005.jpg index 1459ac2d..39ca91f0 100644 Binary files a/book-9-lesson-2/page_042_005.jpg and b/book-9-lesson-2/page_042_005.jpg differ diff --git a/book-9-lesson-2/st-page_053_001.jpg b/book-9-lesson-2/st-page_053_001.jpg index 7034ef18..2df10e09 100644 Binary files a/book-9-lesson-2/st-page_053_001.jpg and b/book-9-lesson-2/st-page_053_001.jpg differ