Cats View cart “The Fastidious Feline: How to Prevent and Treat Litter Box Problems” has been added to your cart. Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! The Fastidious Feline: How to Prevent and Treat Litter Box Problems $6.00 $2.00 Add to cart