James Ley in the Sydney Review of Books:
It is a matter of being able to identify the true conspiracies, recognise genuine injustices and abuses of power, distinguish between credible and dubious information, plausible and implausible explanations. Klein makes a point of acknowledging that the irrational theories she examines in Doppelganger often arise from a justified sense that something is wrong – large pharmaceutical companies, for example, have real histories of unethical conduct and they really did make out like bandits during the pandemic. The question she confronts is how, and why, the valid instinct to distrust the powerful ends up being rerouted into bizarre fantasies.
More here.