Sip Solve Math Puzzles - Sip & Solve Series Author:BrainSnack, Peter De Schepper, Frank Coussement Mathematically inclined solvers will have a blast with these puzzles. As they sip on their coffee, they can work out their brains finding the right number to complete a sequence, mentally folding strips to create a cube, finishing an equation that?s not quite done, and using logic to locate the correct point on a coordinate grid. It all adds up ... more »to fun!« less