Robert Peel, head teacher and author for Collins, shares his journey to becoming a published author and his top three tips for writing textbooks:

Tip 1 - Use concrete examples for abstract ideas

Tip 2 - Don't try to put too much flare into your writing that may distract or confuse your pupils

Tip 3 - What you find interesting and what your pupils find interesting are often two very different things

How do you ensure your writing is suitable for an international audience? Why being a teacher is a benefit when writing a textbook?