Three titles in the Henry & Emmy Tibbett are on sale in the US today, Jan 1, 2021, for $1.99 each: Death on the Agenda (#3), Murder À La Mode (#4), and The Curious Affair of the Third Dog (#11). Curious Affair is one of my favorite titles in this series, which is itself one of my favorite series.
buy Death on the Agenda: Kindle US | Kobo US
buy Murder À La Mode: Kindle US | Kobo US
buy The Curious Affair of the Third Dog: Kindle US | Kobo US