Loved listening to the audiobook version of this. 
Much the same feelings as I had with Blackout/All Clear. Connie Willis is a long winded writer and this could have easily been shortened up a bit, but it was still so enjoyable to listen to. 
I really liked the parallel storylines of plague in 1348 vs. epidemic in 2050s. Especially appreciated the 'present day' portions after experiencing a pandemic. 
I love this time travel series, and appreciate that there is less emphasis on the science of time travel and the minutiae of how it all works. The human focus is what makes this series such a pleasure to read.