Relative to Poison

{{Short description|1947 novel}}

{{Use dmy dates|date=April 2022}}

{{infobox book

| name = Relative to Poison

| title_orig =

| translator =

| image =File:Relative to Poison.png

| caption = First edition (UK)

| author = E.C.R. Lorac

| illustrator =

| cover_artist =

| country = United Kingdom

| language = English

| series = Chief Inspector MacDonald

| genre = Detective

| publisher = Collins Crime Club (UK)
Doubleday (US)

| release_date = 1947

| english_release_date =

| media_type = Print

| pages =

| isbn =

| preceded_by =The Theft of the Iron Dogs

| followed_by = Death Before Dinner

}}

Relative to Poison is a 1947 detective novel by E.C.R. Lorac, the pen name of the British writer Edith Caroline Rivett.Nichols & Thompson p.476Hubin p.254 It is the twenty ninth in her long-running series featuring Chief Inspector MacDonald of Scotland Yard, one of the detectives of the Golden Age of Detective Fiction who relies on standard police procedure to solve his cases.Reilly p.260