To keep your expenses as low as possible, get textbook savvy, and shop online for significant college textbook savings. So, you have to advertise.
These books are wonderful for babies and toddlers because they have one sentence per page with a fact about the animal along with a nice color picture. You may read the books for free online and even add your own annotations. Chasing prices can save you money, but if you drive all over town and spend many hours in the process, you may not save as much as you think. If you find them in fifty audio books or more do you think they may be good?