Learning ladder. [electronic resource].
London : Dorling Kindersley,
c.1998
Accompanied in jewel case by sampler disc.
Jewel case issued in card box
Title from opening screen.
Minimum system requirements: IBM compatible PC; Pentium 120 MHz processor; 32MB RAM for Windows 9.x or later, 48MB RAM for Windows NT4; Windows 95 or later; 20MB of free hard disk space.
Minimum system requirements: Macintosh; PowerPC 120 MHz+; 32MB RAM; System 7.5.3 or later; 20MB of free hard disk space.
Reading (Elementary)
English language
Mathematics