By Stan and Jan Berenstain, Authors & Illustrators. Show Grandma and Grandpa some love with this Berenstain Bears book that includes two heartwarming stories! Brother and Sister Bear love to spend time with Gramps and Gran! Children ages three to seven will adore this hardcover Berenstain Bears book, which features two humorous stories and a unique die-cut cover! It’s perfect for lap reading when Grandma or Grandpa come to visit! 1. Week at Grandma’s - Brother and Sister enjoy a fun-filled week with Gran and Gramps. 2. Homework Hassle - Brother Bear seeks advice from Gramps and Gran when he gets in trouble at school. For ages 3 and up.