Parkwest Publications distribute the Numbers book in America. It may be ordered online from their website or from other online booksellers in the US.

The Problem Pictures CD-ROMs and Calendars may be ordered directly from Badsey Publications in the UK. Note that the prices are in UK pounds. You will be charged the same carriage costs as someone ordering from the UK.

Click here to order

Please note Key Curriculum Press published a US edition of the original Windows Problem Pictures CD-ROM under the title 'Mathematical World'. This no longer appears on their website and may be out of print.