added index
Revert "Revert "10 ksiega""

This reverts commit 7540648fc91d3d4e9c5fd553b93b5e9141aab5a0.
Revert "Revert "Osma ksiega""

This reverts commit 95374c20fe790def2c74a6cc7047f6337ac7c105.
Revert "Revert "Czwarta ksiega""

This reverts commit 7208ac084063bf91a6e283f581f0e7d168879090.
Merge branch 'RecoverBooks'