* Professional design services: If you are looking for a custom-designed built-in bookcase, you can hire a professional designer to create a plan for you. This is the most expensive option, but it will ensure that your bookcase is perfectly suited to your space and needs.
* Online woodworking plans: There are many websites that offer free and paid woodworking plans for built-in bookcases. These plans typically come with detailed instructions and diagrams, making them easy for even beginners to follow.
* Home improvement books and magazines: Many home improvement books and magazines include articles and plans for built-in bookcases. These can be a great resource if you are looking for ideas and inspiration.
* Furniture stores and home centers: Some furniture stores and home centers sell pre-made built-in bookcases. This can be a convenient option if you do not want to build your own bookcase.
* Local libraries: Many local libraries have books and magazines that include plans for built-in bookcases. This can be a great resource if you want to browse through a variety of options before you make a decision.
Once you have found a few designs that you like, you can compare them based on their features, difficulty level, and cost to determine which one is right for you.