Books in the The Chronicles of Progressive Penny series

Not everyone knows this, but when you read your one-thousandth book, something amazing happens..Follow Penny, a spunky, confident girl and her trusted French Bulldog named Lloyd, as they magically find themselves inside Rapunzel's story. In a world of helpless damsels in distress waiting to be rescued, will Penny be able to show Rapunzel that girls are perfectly capable of saving themselves?