• 15-11-2020“This book about the year 2020 is also the Book of the Year 2020.” Review of Quarantaine in De Tijd
• 09-10-2020Review of Grand Hotel Europa in La Repubblica
• 09-10-2020Review of Grand Hotel Europa in the Süddeutsche Zeitung
• 04-10-2019Stage adaptation of Peachez “the best show of the year” ***** – Elsevier
• 13-03-2019Five stars for Just Call It Love in the Volkskrant
• 05-03-2019Review of La Superba in Il Sole 24 Ore
• 05-01-2019“A real masterpiece. It will defy time.” – Review of Grand Hotel Europa in Trouw
• 29-12-2018“The novel of 2018”- Review of Grand Hotel Europa in Het Laatste Nieuws
• 14-12-2018“Grand Hotel Europa is not only a reflection on our identity, but also a contribution to its continuation.” – Review in De Volkskrant
• 14-12-2018“With Grand Hotel Europa Pfeijffer wrote the novel of the year” — Review (*****) in NRC Handelsblad
• 12-11-20174 stars in NRC for Anne Frank play ‘Achter het Huis’
• 25-02-20174 stars for Peachez: “most romantic book of the year”