There isn't a specific place you can find one, unless a friend of yours could out or a family member. But you can find developers on Linkedin and contact them!
you dont need to buy any "special" substances, there are 2 way you can do this with some substances in the house. First one is Vinegar, just get a spraying bottle and mix it with water then spray it. Or what you can do it the typical way, by cleaning your floors or the area with most ants with a mixture of water and Kerosene.
I have been looking for this book for almost 2 weeks, and finally found it at a random store @Downtown , but you really need to be patient to find the right store.