Walker Physics 5e

Here's the cover of the upcoming fifth edition of Walker Physics.  It should be in hand early next year.

Halloween 2015

We only had about a dozen trick-or-treaters this year, even though the rain held off.  Still, we had our jack-o-lanterns out as usual.  Here they are in our front yard:

The top one is inspired by the Happy-face Dragonfly, and the bottom one is a ghoul.   Here's a closer look at the top one:

Here's a closer look at the bottom one: