Peter Navarro is one of only three senior advisors to President Donald Trump who was in office from the beginning to the end of his presidency.
Peter Navarro also wrote the biggest seller of all the 2021-2022 era insider Trump books: In Trump Time, having more than 80,000 in sales as of June 2022. 
On the coronavirus pandemic, Navarro urged early treatment and strongly criticized Anthony Fauci's failed approach of denying inexpensive early treatment while pursuing a costly, harmful, and unhelpful COVID-19 vaccine mandates, mandatory masks, and lockdowns.
Navarro conducted an extensive investigation into 2020 presidential election fraud and published his findings in three volume:
- Vol. I The Immaculate Deception: Six Dimensions of Election Irregularities
- Vol. II The Art of the Steal
- Vol. III Yes, President Trump Won: The Case, Evidence, and Statistical Receipts