Ask an Agent! Part 3: Do I have to find an illustrator to collaborate with me first? & how many words are ideal for a first-time author to get published?

Robin Mizell of Robin Mizell Ltd, answers member's questions on the query process and agent representation.

(Find Part 1 here and Part 2 here.)

5. I have a great idea for a children's book (who doesn't?). I've written a draft of the text, but the pictures need to do much of the talking.  How do I pitch it? Do I have to find an illustrator to collaborate with me first?
 
You're right. It seems as though people are more likely to envision themselves writing children's books than books...