This classic book will excite students' imaginations while enriching skills in logical thinking. Logic Countdown problems are easy to incorporate into lesson pl

This classic series will excite students' imaginations while enriching skills in logical thinking. Orbiting With Logic problems are easy to incorporate into les

This classic series will excite students' imaginations while enriching skills in logical thinking. Logic Liftoff problems are easy to incorporate into lesson pl

The outbreak of the First World War was ‘a drama never surpassed’. One hundred years later, the characters still seem larger than life: Archduke Franz Ferdi