Some of the best books are Interior Design for Dummies. It is a great book to show you all the basics from painting to tearing out a wall and putting a bigger closet in.
Some classic books about interior design are The Better Homes and Garden books. These interior design books have been around for a long time. Another good Interior Design Book is Home by Design.
Suggest some catchy name for interior design firm
Check websites like HGTV or DIY for some good decorating ideas. Another good idea could be to go to your local library and check out some books or magazines featuring interior design or home decorating like DESIGN or Country Living.
There is a magazine and website that has all the information that you need to know about interior design. Reading this website we'll have you up to date on what you need to do to make your new house look fabulous http://www.interiordesign.net/
HGTV.com has some very good articles detailing Victorian interior design. You may also find some good information on their TV station (HGTV), or alternatively, the Discovery channel.
If money isn't an issue, the best you could do is to go back to school for interior design. The University of Arizona has some very good classes in that area.
Great places to go for interior design ideas are hardware stores, for example, Home Depot. You might even be interested in looking into an actual interior designer for perfect ideas.
Good magazines for residential interior design will help one be able to get ideas and inspiration in their home design projects. Some of these magazines include: Architectural Digest, and Better Homes and Gardens.
design your mind
Family, friends and coworkers houses always inspire me. Also looking in magazines, books and store catalogs. Just start moving stuff around and see what works and what doesnt.
You may find some good interior design on a budget at your local hardware stores such as Home Depot and Lowes. They constantly have items on sale so you may search around and see what's to your liking
Interior design around Houston is a very good choice. Either you pick from a variety of 2 years schools or there is even some 4 years colleges with classes.