I see many times closed and expired projects so If you think you can get professional illustration for $30 bucks please waste your time with other person.
First of all let's discuss details, such deadline, budget, project details and etc. All undefined work will create additional charge in future. (my bid not final, will be edit once after and if your answer)
P.S. For children book illustrations, comics and games accept offer only fixed with royalty.
P.P.S. If we start be ready for advance starting milestone realize (freelancer.com fee compensation)