Brilliant Numeracy Tests Everything you need to know to pass numeracy tests Williams, Rob Heftet / 2009 / Engelsk
Brilliant Passing Numerical Reasoning Tests Everything you need to know to understand how to practise for and pass numerical reasoning tests Williams, Rob Heftet / 2014 / Engelsk
Grievous Journey of Ichabod Azrael (and the Dead Left in His Wake) Williams, Rob Heftet / 2014 / Engelsk
Forever Fingerprints An Amazing Discovery for Adopted Children Eldridge Sherrie Heftet / 2020 / Engelsk
