Robert G. Barrett, is the creator of several books, many featuring Les Norton, some others come lone book story, & 'Therefore What do you rekon?' occurs as collection of Robert's columns from either after he was the editorialist for the Australian Population magazine.

Books
Around publication choose: You Wouldn’t Exist as Dead for Quids The Real Thing The Boys From either Binjiwunyawunya The Godson Between a Devlin & A Deep Blue Seas Davo’s Little Something White Shoes, White Lines & Blackie And De Diverting Don’t Dun Mele Kalikimaka Mr Walker The Day of The Gecko Rider on the Storm & More Bits & Barrett Guns ‘N’ Rose So What Do You Reckon? Mud Crab Boogie Goodoo Goodoo a Wind & the Monkey Leaving Bondi The Ultimate Aphrodisiac Mystery Too much Blues Rosa-Marie's Baby