Two Rare Jan Pienkowski's wild pop up books Robot and Haunted House

Two Rare Pop Up Books by Jan Pienkowski's -1 highly sought after Robot 1981 Does have some flaws, Ist page is torn but still works Some of the tabs are apart. Even with flaws still a great vintage book - Book 2 is Haunted House 1979 It has its tabs but book does have wear due to age. Still a great vintage book to own.