I understand you are looking for graphic artist or illustrators for children’s text books to enroll on your panel.
I would like to offer my services to your company. Kindly, consider my rich experience in this line. I have been illustrating text-books for ____________ (Publishers Name), ____________ (Books Name) and other publishers for the last ten years.
I shall be happy to bring samples of the books, I have illustrated. You will be able to see how the books have been illustrated to aid the cognition of learners in creative way.
Kindly give me an opportunity to serve you wherever you require.