The booklet "Politically biased election observation—a threat to the integrity of international institutions" contains EPDE reports by Anton Shekhovtsov on politically biased election observation missions to the presidential election and the regional elections in Russia, the illegitimate presidential election in Crimea, the elections in Cambodia and Zimbabwe and the illegitimate “general elections” in the Donetsk and Lugansk People’s Republics, which all took place in 2018.