Sales figures displayed on the Author Hub website may fluctuate from time to time due to a number of different factors, including stock returns, varying third-party sales models, invoicing periods or third-party data provision.  

Please be aware that data can quickly become out-of-date. Although the data found using the Author Hub web site have been produced and processed from sources believed to be reliable, Cambridge accepts no responsibility or liability for the frequency of provision and accuracy of the sales figures or any use made of them by the author, whether or not arising from the negligence of any of Cambridge or any third-party suppliers.  

The information is provided on an "as is" basis. No warranty, express or implied, is made regarding accuracy, adequacy, completeness, legality, reliability, or usefulness of any information.