For the twentieth anniversary of the start of the Matthew Bartholomew series, Sphere is delighted to reissue all of the medieval monk's cases with beautiful new series-style covers.

For the twentieth anniversary of the start of the Matthew Bartholomew series, Sphere is delighted to reissue all of the medieval monk's cases with beautiful new series-style covers.

For the twentieth anniversary of the start of the Matthew Bartholomew series, Sphere is delighted to reissue all of the medieval monk's cases with beautiful new series-style covers.

For the twentieth anniversary of the start of the Matthew Bartholomew series, Sphere is delighted to reissue all of the medieval monk's cases with beautiful new series-style covers.

For the twentieth anniversary of the start of the Matthew Bartholomew series, Sphere is delighted to reissue all of the medieval monk's cases with beautiful new series-style covers.

For the twentieth anniversary of the start of the Matthew Bartholomew series, Sphere is delighted to reissue all of the medieval monk's cases with beautiful new series-style covers.

For the twentieth anniversary of the start of the Matthew Bartholomew series, Sphere is delighted to reissue all of the medieval monk's cases with beautiful new series-style covers.

For the twentieth anniversary of the start of the Matthew Bartholomew series, Sphere is delighted to reissue all of the medieval monk's cases with beautiful new series-style covers.

For the twentieth anniversary of the start of the Matthew Bartholomew series, Sphere is delighted to reissue all of the medieval monk's cases with beautiful new series-style covers.

The medieval sleuth and physician Matthew Bartholomew foils another dastardly plot