It isn't the strongest of Dicks's novelisations, but given that he had to speed-write this to meet the deadline, it's pretty solid. It was never the most logical of his scripts in the first place, unsurprising given his remit to include as many Doctors, companions and monsters as possible and then having to rewrite this to suit who was available. Given this, it's odd that the novelisation doesn't differ more from the televised version. Why not take the opportunity to go back to the earlier version of the script, and bring the Fourth Doctor into the story fully? Why not include more faces from the past, without the restrictions of actor availability?
The Five Doctors was a bit of silly anniversary fun, and the novelisation is no different. Even a speed-written Doctor Who story by Terrance Dicks is effortlessly entertaining. It's a pleasure to read.
First published by W. H. Allen (Target imprint) in 1983
Based on The Five Doctors, first broadcast in 1983
Audiobook read by Jon Culshaw, with Nicholas Briggs as the Cybermen and Dalek