Search Results for Essential science. SirsiDynix Enterprise https://library.epsb.ca/client/en_US/elm/elm/qu$003dEssential$002bscience.$0026ps$003d300? 2025-03-14T15:38:21Z Changing sounds ent://SD_ILS/0/SD_ILS:1163626 2025-03-14T15:38:21Z 2025-03-14T15:38:21Z By&#160;Peter D. Riley<br/>Format&#160;Books<br/>2008<br/>Series&#160;Essential science<br/>Call #&#160;534.22 RIL<br/> All about gases ent://SD_ILS/0/SD_ILS:1163629 2025-03-14T15:38:21Z 2025-03-14T15:38:21Z By&#160;Peter D. Riley<br/>Format&#160;Books<br/>2008<br/>Series&#160;Essential science.<br/>Call #&#160;530.43 RIL<br/> Light &amp; seeing ent://SD_ILS/0/SD_ILS:1163630 2025-03-14T15:38:21Z 2025-03-14T15:38:21Z By&#160;Peter D. Riley<br/>Format&#160;Books<br/>2008<br/>Series&#160;Essential science<br/>Call #&#160;535.22 RIL<br/> Earth, moon &amp; sun ent://SD_ILS/0/SD_ILS:1163633 2025-03-14T15:38:21Z 2025-03-14T15:38:21Z By&#160;Peter D. Riley<br/>Format&#160;Books<br/>2008<br/>Series&#160;Essential science<br/>Call #&#160;525.22 RIL<br/>