Another angle: sometimes "Wizard" is part of a specific curriculum or program, not necessarily the Let's Go series. If there's a Brazilian publication named "Professor Wizard," then the fourth edition's Teacher's Book would be relevant.
Wait, but the user just wants information on the feature. So maybe the features of the book, what's included. The key points would be lesson plans, answer keys, teaching tips, digital resources. The format as PDF makes it downloadable and easily accessible. livro do professor wizard w4 pdf
But I need to be careful here. If I'm not 100% sure, it's better to mention the possible connections without assuming. Also, there might be other series with similar titles. Maybe "Professor Wizard" is a specific series in Brazil. I should consider that possibility too. Another angle: sometimes "Wizard" is part of a