BitBook doesn't have a lot of features, and several apparent flaws. Please have a look at the existing issues, leave feedback, and create issues yourself! I need to know how YOU think about BitBook, so that I can help create the product you need or want to use.
Please have a look at the list of known issues.
If you have a GitHub account, please make use of the emoji reactions which you can find in the top right corner of each issue (and comment). If you leave a "thumbs up", I know that you're interested in the feature/fix!
If you found something that didn't work as expected, or if you'd like to see something that doesn't exist, yet: please create a new GitHub issue!