If you are looking for trumpet books you are clearly serious about mastering the musical instrument. You may be learning to play the instrument for the school band, or as a hobby. There are many books that can help you learn to play the trumpet. Most musicians recommend that you consider getting some trumpet lessons with a professional before you take on the task on your own.
There is plenty of online support offered by studios and music institutes. If you are unsure about the books you may like to buy, you could download a free PDF version to see if it is to your liking. It is important that you practice regularly and may like to record yourself to judge your own performance. Learning to play a musical instrument requires discipline and hard work. The rewards that your patience and perseverance will offer will indeed be a treat to the ears.