The purpose of this study was to investigate the impact of font size and word shape on information recall and reading rate of electronic content. A total of 70 undergraduate students were randomly divided into two groups. In experiment 1, one group read one chapter of an e-book with Tahoma Persian 10, and the other group read the same chapter with Tahoma Persian 12. The reading time was recorded and the participants completed pre and post tests. Experiment 2 was conducted as experiment 1, with the exception that one group read another chapter with Tahoma Persian (sans serif), and the other group read the same chapter with Times New Roman Persian (serif). In both experiments, the differences between the means of the recall scores, and the means of reading speeds for two font sizes and two word shapes were not statistically significant (α= 0.05). Designers of the educational content can change font sizes from 12 to 10 for Tahoma Persian without detrimental effect on recall and reading speed. However, in selection of typefaces they need to be more careful, because if we consider α= 0.10, the difference would become statistically significant. Therefore, some detrimental effects of san serif type face were observed on recall.